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प्रश्न
_____ gas turns lime water milky.
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उत्तर
Carbon-di-oxide gas turns lime water milky.
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संबंधित प्रश्न
Define the term smog.
Write ‘True’ or ‘False’ in front of following statement.
The area where a lot of fuel burns has more percentage of carbon dioxide.
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air used in photosynthesis is ______ and the products of photosynthesis is oxygen.
Give word equation for the following conversion:
Nitric oxide to nitrogen dioxide
What is the source of carbon dioxide in air?
Write the percentage of the gases present in 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 |
Write the reaction of carbon dioxide with lime water.
Which of the following components of air is present in the largest amount in the atmosphere?
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Nitrogen
