Question

(a) Is it possible to dissolve gases in water? If yes, give an example. (b) Name two gases which are not soluble in water. (c) Why coin sinks in water while as leaf floats on water?​

Answer 1

Answer:

Gases can dissolve in water. The dissolving of a gas in water depends on the interaction between the molecules of the gas and the water molecules. The amount of gas that can be dissolved in water depends on the temperature of the water. More gas can dissolve in cold water than in hot water.

b) Nitrogen and methane gas are insoluble in water.

c) Coin sink in water because it's density is more than water but leaf float on water because it density is lower than water.

Answer 2

Answer:

1) Yes it is possible to dissolve gases in water. ... For example, oxygen dissolves in water and to use dissolved oxygen is the only way for aquatic animals to breathe.

2) Nitrogen and methane gas are insoluble in water

3) Coin sink in water because it's density is more than water but leaf float on water because it density is lower than water.

Explanation:

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