Question

Match the statemente in Column A, with those in Column B
(a) 78%
1. The products of combustion of a fuel.
2. Percentage of oxygen in air.
3. Percentage of nitrogen present in air.
4. A gas present in air which turns limewater milky.
5. A petroleum product commonly used as household fuel
(b) Carbon dioxide
(c) Kerosene oil
(e) 21%
(d) Water and carbon dioxide​

Answer 1

1. The products of combustion of a fuel.

(d) Water and carbon dioxide

2. Percentage of oxygen in air.

(e) 21%

3. Percentage of nitrogen present in air.

(a) 78%

4. A gas present in air which turns limewater milky.

(b) Carbon dioxide

5. A petroleum product commonly used as household fuel

(c) Kerosene oil

Answer 2

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