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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
Write ‘True’ or ‘False’ in front of following statement.
Enamelling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.
What are the main components of air?
Fill in the blanks
Oxygen is used in ___________the food to get _______.
Name the following:
The active component of air which supports combustion and is used up in burning
Name the following:
The component of air which does not support combustion.
Name the main component of air.
What is the source of carbon dioxide in air?
The main component of air is oxygen.
Which gas is essential for burning?
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Oxygen
