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प्रश्न
Briefly state the importance of Carbon dioxide.
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उत्तर
Carbon-dioxide acts as a food for plants and in the regeneration of oxygen. It also helps in trapping heat radiations on earth.
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संबंधित प्रश्न
A fuel when used releases least amount of pollutants in the air.
Write fully balanced equation for the following :
CO2 + H2O →
Fill in the blank
Green plants need ________________to prepare food.
With the help of a labeled diagram, describe a simple experiment to show the presence of oxygen and nitrogen in air using a piece of white phosphorus.
Name three different appliances where air is utilized.
Name the main component of air.
Classify the following.
( Dog, Cat, coconut tree, monkey, brinjal plant, papaya plant)
| Things which give out oxygen | Things which give out carbon dioxide |
List out the uses of carbon dioxide.
______ is necessary for all acids.
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
