Question

How will you show that
a. air is present in a lump of soil
b. air is dissolves in water ​

Answer 1

Answer:

Explanation:  Ans a : Take a lump of soil in a plate. Pour some water on it. Bubbles can be seen coming out from the lump of soil. This proves that air is present in a lump of soil.

Ans b : Take some water in a vessel. Heat it slowly on a heater. Before the water starts boiling look carefully at the bottom of the vessel. Tiny bubbles can be seen on the bottom. When water boils, the dissolved air escapes in the form of bubbles.

Hope it helps you!!!!