Theory

Exercises

1. Flammable, explosive and Household wastes

Difficulty: easy

3
2. Substances and types

Difficulty: easy

3
3. Primary and secondary pollutants

Difficulty: easy

2
4. Types of air pollutants

Difficulty: medium

2
5. Hazard Symbols

Difficulty: medium

3
6. Hazardous substances - Flammable, explosive and Household wastes

Difficulty: medium

2
7. Types of hazardous substances

Difficulty: medium

2
8. Gases and its composition in atmosphere

Difficulty: medium

3

Tests

1. Training Test

Difficulty: medium

8

Teacher manual