Indore: Chemistry tests your concepts and ability to understand beyond physical world. While it is one of the most scoring science subjects, it is often a task for some students. Overall, it is essential that students study and follow NCERT book. Guiding students on attempting chemistry CBSE class XII board examination, subject expert Sudha Pandey makes following suggestions.
TIPS TO PREPARE
1) Solid state
Most questions asked from this chapter are numerical problem based on density and voids. Practise is the key.
The two most important topics from this chapter are:
a. Azeotrope and its types
b. Numerical based on Henry’s law and Raoult’s law
a. CBSE frames one question on cell and battery. This can be scoring and must be prepared.
b. Numerical based questions on Nernst equation is commonly asked in board exams.
4) Chemical kinetics
This chapter requires students to solve numerical based question on activation energy
5) Coordination compounds
a. IUPAC name of compound
b. Postulates of Werner and Crystal field theory
6) Surface chemistry
This is a chapter based on understanding and ability to remember specific definitions. Maximum definitions will be asked from this chapter
7) P, D,F block
Logical and reasoning questions are asked from these topics. They are extremely important and must be understood. Clear all your concepts in these topics.
Basic tips when attempting exam
Students should not disturb their sleeping pattern. Parents should ensure that their child is getting enough sleep. For scoring well, students should start by answering questions, which they know well. Manage time by sticking to word limit. CBSE rewards crisp answers. In case students are unable to prepare all chapters, they should concentrate on questions, which carry more marks. Write precise answers for 5-mark questions as well.