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प्रश्न
Fill in the blank
Although we cannot see air, we can ___it.
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उत्तर
Although we cannot see air, we can feel it.
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संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Atmospheric nitrogen is directly absorbed by the plants to form plant proteins.
How is air useful to windmills?
Name the following.
Inert gases in the air
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
What should be done if the clothes of a person catch fire accidentally? Why?
The process of conversion of iron into hydrated form of oxides is called _______.
Wind does not help in the movement of which of the following?
Paheli kept some water in a beaker for heating. She observed that tiny bubbles appeared before the water started to boil. She boiled the water for about 5 minutes and filled it in a bottle up to the brim and kept the bottle air tight till it cooled down to room temperature.
Do you think tiny bubbles will appear on heating the water taken out from the bottle? Justify your answer.
