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Theory

Practice Questions

1. Valency: Choose the best answer

Difficulty: easy

2
2. Match the name with anions

Difficulty: easy

4
3. Chemical equation: fill in the blanks

Difficulty: easy

3
4. True or false about valency

Difficulty: easy

3
5. Drag and drop: types ions

Difficulty: medium

4
6. Match: Chemical names and formula's

Difficulty: medium

4
7. Ion and their symbols

Difficulty: medium

8
8. Drag the correct cations

Difficulty: medium

4
9. Match the following: Valency and ions

Difficulty: medium

6
10. Answer the following: Valency

Difficulty: hard

4
11. Arrange the ions into their valency

Difficulty: hard

6
12. Variable cations and their symbols

Difficulty: hard

6
13. Word matching: Ions

Difficulty: hard

4
14. Variable valency

Difficulty: hard

6

Tests

1. Training Test

Difficulty: medium

11
2. Training Test II

Difficulty: medium

17

Teacher manual