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प्रश्न
Inhaled air contains a large amount of carbon-di-oxide.
विकल्प
True
False
उत्तर
Inhaled air contains a large amount of carbon-di-oxide- False.
Correct statement
Inhaled air contains a large amount of Oxygen.
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संबंधित प्रश्न
What is air pollution ? What are the harmful effects of sulphur dioxide, nitrogen dioxide and hydrogen sulphide present in the air ?
Suggest five measures to prevent air pollution.
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
State what would happen, if the air above the earth contained mainly oxygen and no nitrogen
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
Compare respiration and combustion-both involving oxygen of the air.
The main component of air is oxygen.
Write a note on nitrogen.
Explain carbon dioxide and its uses.
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?
