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8th ICSE
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Hydrogen molecule is monovalent.

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Important Questions on Hydrogen

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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 7 - Hydrogen>Exercise>Q 2
The removal of hydrogen from a substance is called reduction.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 7 - Hydrogen>Exercise>Q 2
Nitric acid can not be used to prepare hydrogen by its action on active metals.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 7 - Hydrogen>Exercise>Q 2
The reaction between hydrogen and nitrogen to form ammonia is reversible.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 7 - Hydrogen>Exercise>Q 2
Zinc can liberate hydrogen from water, acid and alkali solution.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 7 - Hydrogen>Exercise>Q 2
Hydrogen is combustible as well as a supporter of combustion.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 7 - Hydrogen>Exercise>Q 2
Hydrogen gas is easily liquefiable.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 7 - Hydrogen>Exercise>Q 3

Complete and balance the following equation:

H2+_____ →2HCl

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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 7 - Hydrogen>Exercise>Q 3

Complete and balance the following equation:

H2+S →_____