Give five uses of hydrogen.

Important Questions on Hydrogen

EASY

8th ICSE

IMPORTANT

Unravelling Science Chemistry>Chapter 6 - Hydrogen>Exercise>Q A

Hydrogen occurs in space as _____ from which stars are formed.

EASY

8th ICSE

IMPORTANT

Unravelling Science Chemistry>Chapter 6 - Hydrogen>Exercise>Q A

Hydrogen is the only element that exists without _____, which is a subatomic particle.

EASY

8th ICSE

IMPORTANT

Unravelling Science Chemistry>Chapter 6 - Hydrogen>Exercise>Q A

_____ of water is the cheapest method to obtain hydrogen gas.

MEDIUM

8th ICSE

IMPORTANT

Unravelling Science Chemistry>Chapter 6 - Hydrogen>Exercise>Q A

Hydrogen combines with _____ to form ammonia.

MEDIUM

8th ICSE

IMPORTANT

Unravelling Science Chemistry>Chapter 6 - Hydrogen>Exercise>Q C

In the laboratory, hydrogen gas is prepared by the reaction of _____ with hydrochloric acid.

EASY

8th ICSE

IMPORTANT

Unravelling Science Chemistry>Chapter 6 - Hydrogen>Exercise>Q C

Which of the following is not a property of hydrogen?

EASY

8th ICSE

IMPORTANT

Unravelling Science Chemistry>Chapter 6 - Hydrogen>Exercise>Q C

Which of the following acts as a catalyst in Haber's process?

MEDIUM

8th ICSE

IMPORTANT

Unravelling Science Chemistry>Chapter 6 - Hydrogen>Exercise>Q C

Hydrogen can be liquefied under high pressure and by cooling it below _____.