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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
Name the following:
The component of air which is present more in industrial areas.
Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.
List uses of oxygen.
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
Aerated water contains
Match the following.
| Nitrogen | Respiration in living animals |
| Oxygen | Fertilizer |
| Carbon dioxide | Refrigerator |
| Dry ice | Fire extinguisher |
Why does a lump of cotton wool shrink in water?
The component of air used by green plants to make their food, is ______.
State whether the following statement is true or false. If false, correct them.
Plants consume oxygen for respiration.
Observe the picture given in Fig. carefully and answer the following questions.
Can you comment on the air quality of the place shown in Fig?
