Question

State True or False: -
1. Separation of the grains from the chaff is called threshing.
2. Inflammable substances have very high ignition temperature.
3. Fuels differs in their efficiency and cost.
4. Plastics do not react with water and air. 5. Kerosene is not a fossil fuel.​

Answer 1

Explanation:

1)true

2) false

3)true

4)true

5) false

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