What is atmosphere?

Important Questions on Air and Oxygen

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 4 - Air and Oxygen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 46

Name any two inert gases present in atmosphere.

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 4 - Air and Oxygen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 47

Mention the percentage by volume of inactive and active components of atmosphere.

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 4 - Air and Oxygen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 48

Name the device used to measure atmospheric pressure.

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 4 - Air and Oxygen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 49

How are the delicate colours of auroras caused?

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 4 - Air and Oxygen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 50

Name the gas which absorbs ultraviolet rays.

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 4 - Air and Oxygen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 51

Name the principal products of combustion of glucose.

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 4 - Air and Oxygen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 52

Mention the significance of water vapour in atmosphere.

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 4 - Air and Oxygen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 53

In which way is greenhouse effect useful to us?