MEDIUM
6th ICSE
IMPORTANT
Earn 100

Give reasons: 

When water is heated, we see bubbles rising up. 

Important Questions on Air and Atmosphere

HARD
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>EXERCISE - II>Q 6

Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done? 

HARD
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>EXERCISE - II>Q 7

State two similarities and two differences between respiration and burning. 

MEDIUM
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>EXERCISE - II>Q 8

Define rusting. What are the two necessary conditions for rusting of iron? Give the chemical name of rust.

EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>EXERCISE - II>Q 9

How is air useful to water boats?

MEDIUM
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>EXERCISE - II>Q 9

How is air useful to agriculture?

EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>EXERCISE - II>Q 9
How is air useful to windmills?
EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>EXERCISE - II>Q 9

How is air useful to scooters and cars? 

MEDIUM
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>EXERCISE - II>Q 10

State the full form of LPG and CNG? How are the two different in their composition?