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प्रश्न
Match the following.
| Nitrogen | Respiration in living animals |
| Oxygen | Fertilizer |
| Carbon dioxide | Refrigerator |
| Dry ice | Fire extinguisher |
जोड़ियाँ मिलाइएँ
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उत्तर
| Nitrogen | Fertilizer |
| Oxygen | Respiration in living animals |
| Carbon dioxide | Fire extinguisher |
| Dry ice | Refrigerator |
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संबंधित प्रश्न
Describe a simple experiment to show that l/5th of air is oxygen.
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Arrange the following statements in correct sequence
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