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प्रश्न
Name the following:
A process which removes carbon dioxide from the air.
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उत्तर
Photosynthesis
संबंधित प्रश्न
Fill in the blank :
________ is the most abundant inert gas present in air.
Classify Calcium oxide. Also give a balanced equation to prepare it.
Complete and balance the following equation
CaO + H2O →
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The percentage of carbon dioxide in the air is between 0.2 to 0.4%.
Why is air considered as a mixture?
Why is carbon-dioxide gas used to extinguish fire?
Classify the following.
( Dog, Cat, coconut tree, monkey, brinjal plant, papaya plant)
| Things which give out oxygen | Things which give out carbon dioxide |
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 |
Metals like magnesium, iron, and sodium burn in oxygen and give basic ______.
Nitrogen is an essential element present in proteins and nucleic acids which are the building blocks of living things.
