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:

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Answer 2

Answer:

1.

2.Oxygen

3.

4.Nitrogen

5.Solute