Category: Class 9

Offline Versus Online Study

Video lecture on offline versus online study has been specially recorded to differentiate between conventional offline versus online study for academic and competitive preparations.

Click the following video link for complete Video lecture on offline versus online study-

For Video Lectures Subscribe “Exacademy” YouTube Channel from the link given below-https://www.youtube.com/channel/UCLPxVWdS2VBCN8YZ7Xaqnlg

Subscribe Class 12 Chemistry Revision Cum Test Series for Term 1 starting from from the following link-

Class 12 Chemistry Term 1 Test Series

Subscribe Class 11 Chemistry Revision Cum Test Series for Term 1 from the following link-

Class 11 Chemistry Term 1 Test Series

Subscribe Online Chemistry Classes for Class 11 from the following link-

Online Chemistry Classes for Class 11

Subscribe Online Chemistry Classes for Class 12 from the following link-

Online Chemistry Classes for Class 12

Subscribe Online Chemistry Classes for NEET 2022 from the following link-

 

Online Chemistry Classes for NEET 2022

Subscribe Online Chemistry Classes for IIT-JEE 2022 from the following link-

Online Chemistry Classes for IIT-JEE 2022

How to Crack NEET in First Attempt

Being a doctor has always been one of the most attractive carriers for the students of science especially of the Biology stream. The earnings of MBBS doctors and their status in our society are really attractive but it is not very easy to crack NEET and acquire all these in a moment. However, it becomes rather easier if you prepare with proper planning and your effort is consistent in the proper direction. How to crack NEET in the first attempt? It is one of the most frequently asked questions by NEET aspirants. In fact, there is not a well-set strategy to crack NEET in the first attempt, but it is well established that the best strategy to crack NEET stands on the following four pillars-

(1) Teacher selection

It is the first and the most important criteria to crack NEET. A teacher of academic or below standard can never let you prepare well for NEET. So, you should select the best mentor that can prepare you well for NEET.

(2) Matter selection

For competitive preparation what is not to study is more important than what to study. You should emphasize more on important and relevant topics (hot spots) and practice more on quality study materials rather than being trapped in rubbish materials floating in the market.

Always remember, if your mentor selection is well then he would provide you the best and relevant study materials and therefore, material selection would become automatically well.

In my opinion, you should concentrate on NCERT books that are Encyclopedia of NEET and you should improve your application part by revision and solving practice papers and previous year’s papers within the prescribed time frame again and again.

(3)Time for starting preparation

When to start preparing for NEET? It is one of the most frequently asked questions by NEET aspirants. In my opinion, you should start your preparation from class 11 and should maintain your tempo till the examinations. If you start too early then it would not be easy for you to maintain your pace for a longer time period and it would develop a frustration in you that is very dangerous for you and your preparation.

(4) Hard work

It is the fourth important pillar of your preparation to crack NEET in the First Attempt. You have selected the best mentors who are providing you the best study materials but you are not serious in your preparation but just wasting your time, then not even God can make you selected in NEET. In fact, there is no shortcut to success, except hard work. So, you should maintain consistency in your preparation. The regular study, regular revision, and solving practice problems and previous year’s papers in a specified time frame are the keys to your selection.

Important Tips for Preparation of NEET

• Select a good mentor for all the subjects. Several educational channels and the best mentors of Physics, Chemistry, and Biology are available on YouTube. You just subscribe one of them for all the subjects and start your online learning rather than wandering here and there.
• Centralize your study to the NCERT books and one reference book each for Physics, Chemistry, and Biology. Don’t follow too many books otherwise, you would not be able to complete your syllabus. Always remember, different books differ being only nineteen or twenty in text quality, but never differ of being nineteen and twenty-five. 
• Follow quality notes of a good mentor for all the subjects. Don’t run behind the brand, but run behind the concise and effective notes of your mentor.
• Make your own capsule notes for revision.
• Maintain consistency and regularity in your preparation.
• Revise the prepared topics regularly. Always remember, revision is not a waste of time but it makes you perfect. Always keep in mind that, “Revision is division” i.e. Revision improves your marks and ultimately your rank in the final selection.
• Solve practice problems and previous year’s papers in the specified time frame. It would help you to finish your paper timely in the final examination.
• Always be confident in your preparation but never be overconfident. Always read the question carefully and then answer. You usually make mistakes in overconfidence and it has to be reduced.

Important Reference Books

(1) Physics-          (1) Concept of Physics by H.C. Verma

                             (2) Modern’s abc of Objective Physics

(2) Chemistry-     (1) Dr. O.P. Tandon (GRB Publication)

                            (2) Modern’s abc of Objective Chemistry

(3) Biology-         (1) Biology by Trueman 

                            (2) Modern’s abc of Objective Biology

Download pdf notes of chemistry for NEET/AIIMS and IIT-JEE from the following link-

Chemistry Notes for IIT-JEE | NEET

Download pdf notes of chemistry for Class 11 from the following link-

https://chemistryforcompetition.com/class-11-chemistry-notes/

Download pdf notes of chemistry for Class 12 (English Medium) from the following link-

Class 12 Chemistry Notes

Download pdf notes of chemistry for Class 12 (Hindi Medium) from the following link-

Class 12 Chemistry Notes in Hindi

About Shailendra Shukla Sir

By profession, Shailendra Shukla Sir is a senior executive officer in a very reputed power generation company. He has been a professional teacher of competitive chemistry for a long time and his sole aim is to provide quality guidance to the aspirants of UPSC, State PSCs, IIT-JEE, AIIMS, NEET, and Academic examinations, especially to those who belong to the economically vulnerable class of society and cannot afford heavy tuition fees of professional institutions. 
For Video lectures and Live Classes of Shailendra Shukla sir visit “Exacademy” youtube channel https://www.youtube.com/channel/UCLPxVWdS2VBCN8YZ7Xaqnlg

For pdf notes, video lectures, and online tests Download the “Exacademy” Mobile App. Click Here for download-
http://onelink.to/exacademy
You may also follow Shailendra Shukla Sir on the “Exacademy” and “Chemistry for Competitions” telegram channels and “Exacademy” Facebook group.
The link for the “Exacademy” Facebook group is here-
https://www.facebook.com/Exacademy-103655395096011/

 

Video lecture on Expected Cut Off NEET 2021 has been recorded to find a speculation on the cut off marks of different categories in NEET 2021. Expected Cut Off NEET 2021 is in fact speculated on the basis of a number of factors such as difficulty level of the question paper, effect of pandemics on the preparation of the aspirants, increase in the number of questions to read etc.

Click the following video link for complete Video lecture on Expected Cut Off NEET 2021-

For Video Lectures Subscribe “Exacademy” YouTube Channel from the link given below-https://www.youtube.com/channel/UCLPxVWdS2VBCN8YZ7Xaqnlg

Subscribe Class 12 Chemistry Revision Cum Test Series for Term 1 starting from from the following link-

Class 12 Chemistry Term 1 Test Series

Subscribe Class 11 Chemistry Revision Cum Test Series for Term 1 from the following link-

Class 11 Chemistry Term 1 Test Series

Subscribe Online Chemistry Classes for Class 11 from the following link-

Online Chemistry Classes for Class 11

Subscribe Online Chemistry Classes for Class 12 from the following link-

Online Chemistry Classes for Class 12

Subscribe Online Chemistry Classes for NEET 2022 from the following link-

 

Online Chemistry Classes for NEET 2022

Subscribe Online Chemistry Classes for IIT-JEE 2022 from the following link-

Online Chemistry Classes for IIT-JEE 2022

How to Crack NEET in First Attempt

Being a doctor has always been one of the most attractive carriers for the students of science especially of the Biology stream. The earnings of MBBS doctors and their status in our society are really attractive but it is not very easy to crack NEET and acquire all these in a moment. However, it becomes rather easier if you prepare with proper planning and your effort is consistent in the proper direction. How to crack NEET in the first attempt? It is one of the most frequently asked questions by NEET aspirants. In fact, there is not a well-set strategy to crack NEET in the first attempt, but it is well established that the best strategy to crack NEET stands on the following four pillars-

(1) Teacher selection

It is the first and the most important criteria to crack NEET. A teacher of academic or below standard can never let you prepare well for NEET. So, you should select the best mentor that can prepare you well for NEET.

(2) Matter selection

For competitive preparation what is not to study is more important than what to study. You should emphasize more on important and relevant topics (hot spots) and practice more on quality study materials rather than being trapped in rubbish materials floating in the market.

Always remember, if your mentor selection is well then he would provide you the best and relevant study materials and therefore, material selection would become automatically well.

In my opinion, you should concentrate on NCERT books that are Encyclopedia of NEET and you should improve your application part by revision and solving practice papers and previous year’s papers within the prescribed time frame again and again.

(3)Time for starting preparation

When to start preparing for NEET? It is one of the most frequently asked questions by NEET aspirants. In my opinion, you should start your preparation from class 11 and should maintain your tempo till the examinations. If you start too early then it would not be easy for you to maintain your pace for a longer time period and it would develop a frustration in you that is very dangerous for you and your preparation.

(4) Hard work

It is the fourth important pillar of your preparation to crack NEET in the First Attempt. You have selected the best mentors who are providing you the best study materials but you are not serious in your preparation but just wasting your time, then not even God can make you selected in NEET. In fact, there is no shortcut to success, except hard work. So, you should maintain consistency in your preparation. The regular study, regular revision, and solving practice problems and previous year’s papers in a specified time frame are the keys to your selection.

Important Tips for Preparation of NEET

• Select a good mentor for all the subjects. Several educational channels and the best mentors of Physics, Chemistry, and Biology are available on YouTube. You just subscribe one of them for all the subjects and start your online learning rather than wandering here and there.
• Centralize your study to the NCERT books and one reference book each for Physics, Chemistry, and Biology. Don’t follow too many books otherwise, you would not be able to complete your syllabus. Always remember, different books differ being only nineteen or twenty in text quality, but never differ of being nineteen and twenty-five. 
• Follow quality notes of a good mentor for all the subjects. Don’t run behind the brand, but run behind the concise and effective notes of your mentor.
• Make your own capsule notes for revision.
• Maintain consistency and regularity in your preparation.
• Revise the prepared topics regularly. Always remember, revision is not a waste of time but it makes you perfect. Always keep in mind that, “Revision is division” i.e. Revision improves your marks and ultimately your rank in the final selection.
• Solve practice problems and previous year’s papers in the specified time frame. It would help you to finish your paper timely in the final examination.
• Always be confident in your preparation but never be overconfident. Always read the question carefully and then answer. You usually make mistakes in overconfidence and it has to be reduced.

Important Reference Books

(1) Physics-          (1) Concept of Physics by H.C. Verma

                             (2) Modern’s abc of Objective Physics

(2) Chemistry-     (1) Dr. O.P. Tandon (GRB Publication)

                            (2) Modern’s abc of Objective Chemistry

(3) Biology-         (1) Biology by Trueman 

                            (2) Modern’s abc of Objective Biology

Download pdf notes of chemistry for NEET/AIIMS and IIT-JEE from the following link-

Chemistry Notes for IIT-JEE | NEET

Download pdf notes of chemistry for Class 11 from the following link-

https://chemistryforcompetition.com/class-11-chemistry-notes/

Download pdf notes of chemistry for Class 12 (English Medium) from the following link-

Class 12 Chemistry Notes

Download pdf notes of chemistry for Class 12 (Hindi Medium) from the following link-

Class 12 Chemistry Notes in Hindi

About Shailendra Shukla Sir

By profession, Shailendra Shukla Sir is a senior executive officer in a very reputed power generation company. He has been a professional teacher of competitive chemistry for a long time and his sole aim is to provide quality guidance to the aspirants of UPSC, State PSCs, IIT-JEE, AIIMS, NEET, and Academic examinations, especially to those who belong to the economically vulnerable class of society and cannot afford heavy tuition fees of professional institutions. 
For Video lectures and Live Classes of Shailendra Shukla sir visit “Exacademy” youtube channel https://www.youtube.com/channel/UCLPxVWdS2VBCN8YZ7Xaqnlg

For pdf notes, video lectures, and online tests Download the “Exacademy” Mobile App. Click Here for download-
http://onelink.to/exacademy
You may also follow Shailendra Shukla Sir on the “Exacademy” and “Chemistry for Competitions” telegram channels and “Exacademy” Facebook group.
The link for the “Exacademy” Facebook group is here-
https://www.facebook.com/Exacademy-103655395096011/

 

How to Prepare Physical Chemistry for NEET?

How to prepare Physical Chemistry for NEET? What are important topic of physical chemistry for NEET? These are the most frequently asked questions of NEET aspirants. In fact, Physical chemistry plays a very vital role in the preparation of chemistry for NEET and other chemistry competitions. Being mathematical in nature, it appears to be somewhat tough to the students. However, it becomes relatively easier, if you use the RRP (Reading, Revision, and Practice) strategy for the preparation of Physical Chemistry.

Hot Spots of Physical Chemistry for NEET

The analysis of papers of previous years reveals that the following are the hot spots of Physical chemistry for the preparation of NEET-       

Chemical  Equilibrium

• Criteria of Equilibrium state
• Relation between K_c and K_p and its applications
• Derivation of expression for equilibrium constant (K_c and K_p) for different reactions
• Concentration quotient (Q_c) and its relation with K_c.
• Numerical based on equilibrium constant (K_c and K_p)

Ionic  Equilibrium

• p^H and numerical based on p^H
• Relation between degree of dissociation and ionization constant 
• Salt hydrolysis
• Solubility product (K_sp) and derivation of  K_sp for different electrolytes
• Theory of precipitation
• Common ion effect with examples
• Buffer solutions and their types with examples
• Buffer capacity

Thermodynamics

• Open, Closed and Isolated systems with examples
• Different types of processes with mathematical criteria
• Extensive and Intensive properties with examples
• The first law of thermodynamics and numerical based on it
• State and Path functions with examples
• Relation between ΔH and ΔE and its applications
• Entropy (S) and numerical based on entropy
• Free energy (G) and numerical based on Free energy 
• Spontaneity and its criteria
• Hess’s law and numerical based on Hess’s law  

Redox Reactions

• Balancing of redox reactions
• Calculation of oxidation number
• Electrode potential and Cell potential
• Electrochemical cell
• Electrochemical Series
• Nernst equation and numerical based on Nernst equation

  Solid-state

• Calculation of  the number of atoms per unit cell in different types of unit cells
• Packing efficiency and numerical based on packing efficiency
• Crystal density and numerical based on crystal density
• Imperfections in solids especially Schottky and Frenkel defects
• F- centers
• Magnetic properties of solids
• Electrical properties of solids
• Piezoelectric effect

Solution

• Modes of expressing the concentration of solutions especially molarity, molality and mole fraction, and numerical
• Raoult’s law and numerical based on Raoult’s law
• Ideal and nonideal solutions
• Positive and negative deviation from Raoult’s law
• Colligative properties
• Relative lowering in vapor pressure
• Elevation in boiling point
• Depression in freezing point
• Osmotic pressure
• Numerical based on colligative properties
• The equation for ideal solution/ vant Hoff equation
• Exo and endo osmosis and reasoning questions
• Vant Hoff factor
• Relation between vant Hoff factor (i) and degree of dissociation (α)

Chemical Kinetics

• Expression of the rate of the reactions
• Difference between molecularity and order of the reactions
• Pseudo order reactions with examples
• The equation for zero/first-order reactions and numerical based on these reactions
• Activation energy
• Role of catalyst
• Arrhenius equation and numerical based on Arrhenius equation 
• Collision theory

Electro Chemistry

• Conductivity, molar conductivity, and Numerical
• Effect of dilution on conductivity and molar conductivity
• Cell constant and its experimental determination
• Kohlrausch law and numerical
• Nernst equation and numerical based on Nernst equation
• Lead storage cells especially reactions involved in charging and discharging
• Fuel cells

Surface Chemistry

• Difference between physical and chemical adsorption
• Difference between lyophilic and lyophobic colloids
• Bredig’s arc method
• Peptization
• Dialysis and Electrodialysis
• Tyndall effect
• Electrophoresis
• Hardy- Schultze rule
• Protection of colloids
• Emulsion and its types
• The cleansing action of soap

Important Tips for Preparation of Physical Chemistry for NEET

(1) Select a good mentor of Chemistry. Several educational channels and the best mentors of Chemistry are available on YouTube for free. just subscribe one of them and start your learning online rather than wandering here and there.

(2) Centralize your study to the NCERT books and one or two reference books of organic Chemistry. Don’t follow too many books otherwise, you would not be able to complete your syllabus. Always remember, different books differ being only nineteen or twenty in text quality, but never differ of being nineteen and twenty-five. 

(3) Follow quality notes of a good mentor. Don’t run behind the brand, but run behind the concise and effective notes of your mentor.

(4) Prepare your own capsule notes for revision.

(5) Maintain consistency and regularity in your preparation.

(6) Revise the prepared topics regularly. Always remember, revision is not a waste of time but it makes you perfect. Always keep in mind that, “Revision is division” i.e. Revision improves your marks and ultimately your rank in the final selection.

(7) Solve practice problems and previous year’s papers in the specified time frame. It would help you to finish your paper timely in the final examination.

(8) Always be confident in your preparation, but never be overconfident. Always read the question carefully and then answer. You usually make mistakes in overconfidence and it has to be reduced.

Important Reference Books for Physical Chemistry for NEET

(1) Physical Chemistry by Dr. O.P. Tandon

(2) Modern’s abc of Objective Chemistry

(3) Numerical Chemistry by R.C. Mukhargy

Download pdf notes of Chemistry for Class 9 from the following link- 

Subscribe Online Chemistry Classes for Class 11 from the following link-

Online Chemistry Classes for Class 11

Subscribe Online Chemistry Classes for Class 12 from the following link-

Online Chemistry Classes for Class 12

Subscribe Online Chemistry Classes for NEET 2022 from the following link-

 

Online Chemistry Classes for NEET 2022

Subscribe Online Chemistry Classes for IIT-JEE 2022 from the following link-

Online Chemistry Classes for IIT-JEE 2022

Class 9 Chemistry notes

Download pdf notes of Chemistry for Class 10 from the following link- 

Class 10 Chemistry Notes

Download pdf notes of Chemistry for IIT-JEE/NEET from the following link- 

Chemistry Notes for IIT-JEE | NEET

Download pdf notes of Chemistry for Class 11 from the following link-

CBSE Class 11 Chemistry notes

Download pdf notes of Chemistry for Class 12 (English Medium) from the following link-

Class 12 Chemistry Notes

Download pdf notes of Chemistry for Class 12 (Hindi Medium) from the following link-

Class 12 Chemistry Notes in Hindi

About Shailendra Shukla Sir

By profession, Shailendra Shukla Sir is a senior executive officer in a very reputed power generation company. He has been a professional teacher of competitive chemistry for a long time and his sole aim is to provide quality guidance to the aspirants of UPSC, State PSCs, IIT-JEE, AIIMS, NEET, and Academic examinations, especially to those who belong to the economically vulnerable class of society and cannot afford heavy tuition fees of professional institutions. 
For Video lectures and Live Classes of Shailendra Shukla sir visit “Exacademy” youtube channel https://www.youtube.com/channel/UCLPxVWdS2VBCN8YZ7Xaqnlg

For pdf notes, video lectures, and online tests Download the “Exacademy” Mobile App. Click Here for download-
http://onelink.to/exacademy
You may also follow Shailendra Shukla Sir on the “Exacademy” and “Chemistry for Competitions” telegram channels and the “Exacademy” Facebook group.
The link for the “Exacademy” Facebook group is here-
https://www.facebook.com/Exacademy-103655395096011/