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Theory

Practice Questions

1. Changes around us

Difficulty: easy

2
2. Sublimation and crystallistion

Difficulty: easy

2
3. Match the words about 'changes around us'

Difficulty: easy

2
4. Endothermic process

Difficulty: easy

2
5. Freezing and condensation

Difficulty: medium

4
6. Melting and vapourisation

Difficulty: medium

4
7. States of matter

Difficulty: medium

4
8. Sublimation and crystallisation

Difficulty: medium

4
9. Temporary changes

Difficulty: medium

4
10. Physical change

Difficulty: medium

4
11. Types of changes and its examples

Difficulty: hard

12
12. Effect of heat on states of matter

Difficulty: hard

4
13. Analyse the statements about reversible changes

Difficulty: hard

6

Tests

1. Training Test

Difficulty: medium

6
2. Training Test- II

Difficulty: medium

12

Teacher manual