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प्रश्न
The gas collected by downward displacement of air is ______.
विकल्प
HCl
NH3
CO2
H2S
MCQ
रिक्त स्थान भरें
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उत्तर
The gas collected by downward displacement of air is `bbunderline(NH_3)`.
Explanation:
Ammonia is lighter than air and highly soluble in water, so it is collected by downward displacement of air.
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