Fill in the blanks with suitable words:
1. Hydrogen gas is_______
than air.
2. Hydrogen gas burns with a____
flame and pop sound
3. Hydrogen gas is absorbed by heated________
4. Ammonia is a__________
hydride
5. When hydrogen is passed in vegetable oil__________is produced
Answers
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hydrogen gas is lighter than air.
hydrogen gas burns with the orderless smell and pop sound.
hydrogen gas is absorbed by heated oxygen
ammonia is a hemi mono hydrate
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