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Theory

Practice Questions

1. Chemical changes

Difficulty: easy

2
2. Exothermic and endothermic changes

Difficulty: easy

2
3. Permanent changes

Difficulty: easy

2
4. Match the words about rusting and indicators of chemical changes

Difficulty: easy

2
5. Exothermic and endothermic changes

Difficulty: medium

4
6. Changes

Difficulty: medium

6
7. Fermentation, periodic and non-periodic changes

Difficulty: medium

6
8. Chemical changes around us

Difficulty: medium

4
9. Condition and indicators for chemical change

Difficulty: medium

4
10. Exothermic and endothermic changes

Difficulty: medium

4
11. Types of chemical changes

Difficulty: hard

6
12. Permanent changes

Difficulty: hard

6
13. Find the jumbled words: Chemical changes

Difficulty: hard

9
14. Analyse the statements about changes

Difficulty: hard

9

Tests

1. Training Test

Difficulty: medium

6

Teacher manual