In JEE Main and JEE Advanced Examination, the chapter Basic Concepts of Chemistry plays an important role. The Subject Experts of Chemistry have prepared the chapter notes of Basic Concepts of Chemistry including important concepts, formulae and some previous years' solved questions for better understanding of the concepts. These notes can be used for revision just before the examination.
Here, students can study the following topics:
- Mole,
- Avogadro’s number,
- Law of conservation of mass,
- Law of definite proportion,
- Law of multiple proportions,
- Law of gaseous volume,
- Average atomic mass,
- Molecular mass,
- Empirical formula,
- Molecular formula,
- Mass percentage,
- Mole fraction,
- Molarity,
- Molality and
- Normality
Important Concepts:
Some previous year solved questions are given below:

Difference between JEE Main and JEE Advanced Syllabus