EASY
6th ICSE
IMPORTANT
Earn 100

Name three greenhouse gases. 

Important Questions on Air and Atmosphere

EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>OBJECTIVE TYPE QUESTIONS>Q 1

The layer of air around the earth is called the _____. 

EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>OBJECTIVE TYPE QUESTIONS>Q 1
Air is a _____ of gases.
EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>OBJECTIVE TYPE QUESTIONS>Q 1
The reddish brown powder on the surface of iron nails exposed to air and moisture is called _____.
EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>OBJECTIVE TYPE QUESTIONS>Q 2
Air is a compound. 
EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>OBJECTIVE TYPE QUESTIONS>Q 2

Carbon dioxide is given out during photosynthesis. 

EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>OBJECTIVE TYPE QUESTIONS>Q 2
Respiration needs nitrogen. 
EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>OBJECTIVE TYPE QUESTIONS>Q 2

The composition of air was discovered by Lavoisier. 

EASY
6th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 6>Chapter 6 - Air and Atmosphere>OBJECTIVE TYPE QUESTIONS>Q 2

The major component of air is oxygen.