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प्रश्न
List out the uses of carbon dioxide.
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उत्तर
- Carbon dioxide helps plants in photosynthesis.
- It is used in fire extinguishers.
- It is used in refrigerators as dry ice for cooling purpose.
- It is used to make plastics and polymers.
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संबंधित प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
Statement given below is incorrect. Write the correct statement :
Carbon dioxide gas allows the earth to radiate out heat rapidly.
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air which is variable in air above sea level and in air in general ______.
What is the percentage of oxygen in air?
_______ and ______ are the two gases, which when taken together, make up about 99 percentage of air.
- Nitrogen
- carbon-di-oxide
- Noble gases
- Oxygen
_____ gas turns lime water milky.
Solvay process is a method to manufacture
What is the composition of air?
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 |
______ exists in nature as silicates, carbonates, oxides, and water. It also exists in a free state as part of the air in the atmosphere.
