Why bubbles can be formed using soap water but we do not have bubbles formed out of pure water?

Why bubbles rise in soda water bottle ?

Air bubbles are formed in the rising column of water due to

Air bubbles are formed in the rising column of water due to

Why do bubbles of air rise up through water?

Why do bubbles appear in water when we heat it ?

Why do air bubbles come out when soil is added to water ?

Tow soap bubbles A and B are formed at the two open ends of a tube. The bubble A is smaller then bubble B. If the valve on the tube connecting the two bubbles is opened and air can flow freely between the bubbles, then

Why does an air bubble form in water grow in size from bottom when it rises ?