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प्रश्न
Multiple Choice Question
Hydrogen is
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उत्तर
- neither supporter nor combustible
- combustible
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संबंधित प्रश्न
Hydrogen is combustible as well as a supporter of combustion.
Give reason for the following:
Helium replaced hydrogen in weather observation balloons?
FILL IN THE BLANK
The compounds of carbon and hydrogen are called .................
Why is hydrogen called a reducing agent? Give chemical equation to support your answer ?
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
Give balanced equation for the following conversion:
Water gas to hydrogen – industrially.
Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
Write a correctly balanced equation for the following:
When steam is passed over red hot iron.
Write correctly the balanced equation for the following:
‘When zinc filings are added to a concentrated solution of sodium hydroxide’.
What do you observe when a piece of sodium is dropped into cold water?
