Hello Aspirant,

Don't worry if you are week in your Chemistry, as very few days are left now for JEE-Main 2021 Feb attempt so you should try to focus on important chapters which consists of greater weightage so that you can score maximum marks. For JEE-Main 2021, complete chapter wise weightage for chemistry is described below :-

@Chemistry

Transition Elements and Coordination Chemistry  :-  12 marks

Periodic table and Representative Elements :- 12 marks

Thermodynamics And Gaseous State:- 8 marks

Atomic Structure:- 8 marks

Chemical Bonding:- 8 marks

Chemical And Ionic Equilibrium:- 8 marks

Solid State And Surface Chemistry :- 4 marks

Nuclear Chemistry And Environment:- 8 marks

Mole Concept :- 4 marks

Redox Reaction :- 4 marks

Electrochemistry :- 4 marks

Chemical Kinetics:- 4 marks

Solution and Colligative Properties :- 4 marks

General Organic Chemistry:- 4 marks

Stereochemistry:- 4 marks

Hydrocarbon :- 4 marks

Alkyl Halides :- 4 marks

Carboxylic Acid and their Derivatives:- 4 marks

Carbohydrates, amino acid and Polymers :- 4 marks

Aromatic Compounds :- 4 marks

For complete details about important chapters and other weightage related information kindly check out the links given below :-

https://engineering.careers360.com/articles/jee-main-syllabus-weightage

Some other preparation tips to bind up your preparation :-

• Just go through the notes which you have made at the time of studying different concepts. Grab all formulas thoroughly, you can do this by writing it in the notebook or practice some numerical on it.
• Practice previous year's question papers and sample papers as many as you can because it will enhance your self-confidence and time management skill   https://engineering.careers360.com/articles/jee-main-sample-papers   &   https://engineering.careers360.com/articles/jee-main-question-paper
• Don't forget to do exercise and yoga regularly to keep your body mentally and physically fit.
• You can also take JEE-Main Learning package for solving series of mock tests :- https://learn.careers360.com/knockout-jee-main-april-one-month-subscription/?icn=jee-main-knockout&ici=c360-clevertap-sticky-articles-web

For more detailed preparation tips for JEE-Main 2021 kindly check out the link given below :-

https://engineering.careers360.com/articles/jee-main-preparation-tips

You can also check out JEE-Main 2021 Learner package for your preparation :-

https://learn.careers360.com/jee-main-coaching/?utm_source=%20QnA

I hope this information helps you.

Good Luck!!