EASY
8th ICSE
IMPORTANT
Earn 100

What is the molecular formula of hydrogen?

Important Questions on Hydrogen

EASY
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>CHECK Point>Q 2

Name the gas that occurs in the sun and other bright stars in the free state.

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>CHECK Point>Q 3

List some compounds containing hydrogen as one of its constituents.

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>CHECK Point>Q 4

What happens when an electric current is passed through acidified water?

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 7 - Hydrogen>CHECK Point>Q 5

Name any two elements which react with water violently.

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

Hydrogen reacts with nitrogen gas to form _____gas.(Write chemical name)

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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.

EASY
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?