Question

IV. Write true or false against the following statements :
1. Anaerobic bacteria act on wood in the presence of air.
2. Natural gas mainly consists of methane.
3. Naphthalene is obtained by the fractional distillation of coal tar.
4. Asphalt is the residue obtained when petroleum is subjected to fractional distillation.
5. Coke is used in the manufacture of explosives.
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Answer 1

Answer:

1. true

2.true

3.false

4.true

5.true

Answer 2

Answer:

True

True

False

True

True