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प्रश्न
Classify the following.
( Dog, Cat, coconut tree, monkey, brinjal plant, papaya plant)
| Things which give out oxygen | Things which give out carbon dioxide |
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उत्तर
| Things which give out oxygen | Things which give out carbon dioxide |
| Brinjal plant | bog |
| Papaya plant | Cat |
| Coconut tree | Monkey |
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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 ?
You are given a test tube with two outlets and a bottle of lime water. Using same, how would you demonstrate experimentally the presence of carbon dioxide in air.
Name three different appliances where air is utilized.
Complete the statement given below by filling in the blank with the correct word from the words given
___________is an example of a pollutant present in the air.
Give word equation for the following conversion:
Nitric oxide to nitrogen dioxide
List out the uses of nitrogen.
How will you prove that air supports burning?
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
Match the following:
| 1. | More industrial cities | a. | dust particles |
| 2. | Coastal areas | b. | Humidity |
| 3. | Rainy season | c. | Carbon dioxide |
| 4. | Windy places | d. | water vapour |
State whether the following statement is true or false. If false, correct them.
Plants consume oxygen for respiration.
