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8th ICSE
IMPORTANT
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Hydrogen reacts with nitrogen gas to form gas.(Write chemical name)

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Important Questions on Hydrogen

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>TEST Yourself>Q 8

Hydrogen reacts with some metals to form _____.

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>TEST Yourself>Q 10

Hydrogen is used in the _____of metals.

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>TEST Yourself>Q 1

The molecular formula of hydrogen is H2. What do you understand by this?

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>TEST Yourself>Q 2

Write a short note on the occurrence of hydrogen gas.

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>TEST Yourself>Q 3

List some physical properties of hydrogen.

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>TEST Yourself>Q 4

List four chemical properties of hydrogen.

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>TEST Yourself>Q 5
How is hydrogen prepared in the laboratory?
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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>TEST Yourself>Q 6

How will you test hydrogen gas?