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8th ICSE
IMPORTANT
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Hydrogen is highly soluble in water.

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Important Questions on Hydrogen

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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 7 - Hydrogen>EXERCISES>Q 7
The mixture of CO and H2 is known as hydrogen gas.
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 7 - Hydrogen>EXERCISES>Q 8
When hydrogen gas is allowed to react through molten sulphur taken in a porcelain dish, a gas is evolved which smells like rotten eggs. The gas is hydrogen sulphide.
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 7 - Hydrogen>EXERCISES>Q 1

Answer the following in one or two words.

 A mixture of CO and H2.

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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 7 - Hydrogen>EXERCISES>Q 3

Answer the following in one or two words.

Process for the synthesis of artificial vanaspati ghee.

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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 7 - Hydrogen>EXERCISES>Q 5

Answer the following in one or two words.

Rocket fuel

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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 7 - Hydrogen>EXERCISES>Q 1
What is electrolysis?
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 7 - Hydrogen>EXERCISES>Q 2
Why does acidified water used in electrolysis of water?
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 7 - Hydrogen>EXERCISES>Q 3
How does electrolyte help in electrolysis?