MEDIUM
6th CBSE
IMPORTANT
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How can we release some of the air from the glass shown in the following diagram?

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Important Questions on Air Around Us

MEDIUM
6th CBSE
IMPORTANT
Awareness Science For Sixth Class>Chapter 15 - Air Around Us>Multiple Choice Questions (MCQs)>Q 51
Which of the following is not a common component of air that we normally breathe in?
MEDIUM
6th CBSE
IMPORTANT
Awareness Science For Sixth Class>Chapter 15 - Air Around Us>Multiple Choice Questions (MCQs)>Q 52
The crop plants do not depend on humans for obtaining one of the following. This one is:
MEDIUM
6th CBSE
IMPORTANT
Awareness Science For Sixth Class>Chapter 15 - Air Around Us>Multiple Choice Questions (MCQs)>Q 53
The air over industrial cities has usually higher amount of one of the following components than normal air. This component is:
MEDIUM
6th CBSE
IMPORTANT
Awareness Science For Sixth Class>Chapter 15 - Air Around Us>Multiple Choice Questions (MCQs)>Q 54
Air is considered to be:
MEDIUM
6th CBSE
IMPORTANT
Awareness Science For Sixth Class>Chapter 15 - Air Around Us>Multiple Choice Questions (MCQs)>Q 55
Nitrogen is needed by the plants to make:
MEDIUM
6th CBSE
IMPORTANT
Awareness Science For Sixth Class>Chapter 15 - Air Around Us>Multiple Choice Questions (MCQs)>Q 56
While deep under the sea, a deep-sea diver cannot utilise the oxygen dissolved in seawater for breathing because he does not have: 
MEDIUM
6th CBSE
IMPORTANT
Awareness Science For Sixth Class>Chapter 15 - Air Around Us>Multiple Choice Questions (MCQs)>Q 57
About one-fifth of ordinary air is: 
EASY
6th CBSE
IMPORTANT
Awareness Science For Sixth Class>Chapter 15 - Air Around Us>Multiple Choice Questions (MCQs)>Q 58
The component of air which is utilised by the plants in respiration is :