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  • Subjects
  • Chemistry CBSE Live product
  • Class 9 (2026-27)
  • Atomic Foundations of Matter

Atomic theory and Laws of chemical combination

Theory

1. Atomic theory and Laws of chemical combination

Practice Questions

1. Differentiate physical and chemical change

Difficulty: easy

2
2. Law of conservation of mass - I

Difficulty: medium

4
3. Law of conservation of mass - II

Difficulty: medium

2
4. CBQ - Law of conservation of mass

Difficulty: hard

2
5. A&R - Law of constant proportions

Difficulty: medium

1
6. CBQ - Law of constant proportions

Difficulty: hard

2
7. Find the incorrect statement - Dalton's theory

Difficulty: medium

1
8. Infer the correct answer - Dalton's theory

Difficulty: medium

1
9. CBQ - Dalton's atomic theory

Difficulty: hard

4

Teacher manual

1. Methodical recommendation
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