Question

No.2 Give one world for the following:-
1) The harmful industrial waste materials and chemicals.________
2) The component of air which is essential for burning._______
3) The impurities that degrade the quality of a substance.________
4) The most abundant gas in the air._______
5) A substance in which other substances get dissolved._______

Answer 1

Answer:

2 .oxygen

4.nitrogen

5. solvent

Answer 2

Answer:

down below

Explanation:

1.  garbage

2. oxygen

3. organic impurities

4. co2 (carbon dioxide)

5. solvent

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