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प्रश्न
How will you show that air is dissolved in water?
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उत्तर
To show that air is dissolved in the water we take water in a pan and heat it. Just before it boils, you will notice some bubbles at the inner surface of the pan. These bubbles are formed because of air dissolved in water.
संबंधित प्रश्न
Fill in the blank :
________ is the most abundant inert gas present in air.
Name and briefly explain four ways by which pollution of air is caused by humans.
What is the significance of water vapour in air?
Name the following:
The main, rare (inert) gas present in air.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
Compare respiration and combustion-both involving oxygen of the air.
How do the roots of land plants get oxygen for breathing?
Solvay process is a method to manufacture
Nitrogen is essential for burning.
A gas that neither burns nor supports burning is ______.
