The Chemistry portion is vast compared to Physics and Mathematics. One must properly analyse the syllabus while revising and studying new topics at the same time.
Understand the weightage of various topics and split your time accordingly, giving more time to high-weightage topics.
Prepare all organic reactions and their formation thoroughly. By practising this, you will be able to easily score marks in Organic Chemistry.
Study the IUPAC rules and some diagrams. Practice problems in Inorganic Chemistry and be well-prepared with important definitions.
A major part of Physical Chemistry includes numerical. Revision of the theoretical part can be completed while studying numerical analysis.
On the second last day, practise the CBSE sample paper that is available online. Thoroughly revise each topic so that you are ready for all the questions.
On the last day, revise topics you think you might forget, like Inorganic Chemistry Nomenclature, Physical Chemistry Formulas, and Organic Chemistry Reactions.