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प्रश्न
Air is a mixture of many _______.
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उत्तर
Air is a mixture of many Gases.
APPEARS IN
संबंधित प्रश्न
Tick (√) the most appropriate answer.
Which is not a polluting gas for the air?
Name three noble gases present in the air. State their one industrial use
Fill in the blank
Aquatic plants and animals use _________ in water.
Name the following:
The component of air which does not support combustion.
______ gas is given to the patients having breathing problems.
Write about the reaction of nitrogen with non metals.
All living things use oxygen for breathing.
Oxygen is used to oxidize ______.
Observe the picture given in figure carefully and answer the following questions.
- What is covering the nose and mouth of the police man?
- Why is he putting a cover on his nose?
- Can you comment on air quality of the place shown in the figure?
On a Sunday morning Paheli’s friend visited her home. She wanted to see some flowering plants in the nearby garden. Both of them went to the garden. While returning from the garden they also observed some flowering plants on the road side. But to their surprise they found that the leaves and flowers of these roadside plants were comparatively very dull. Can you help them to know why?
