HARD
6th CBSE
IMPORTANT
Earn 100

You are given a pie chart (Figure 15.12) on the composition of gases in air. Write the percentage of major gases found in air in the boxes. Mention the names of rare gases.
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Important Questions on Air

EASY
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Check Your Knowledge>Q 4
Why oxygen was previously called ‘fire-air’?
EASY
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Check Your Knowledge>Q 5
Why is nitrogen in air important for us? Where do we use liquid nitrogen?
EASY
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Check Your Knowledge>Q 6
Why is carbon dioxide important for plants?
MEDIUM
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Check Your Knowledge>Q 7
Write an activity to show the presence of air in the soil.
EASY
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Check Your Knowledge>Q 8
Where does smoke come from?
MEDIUM
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Check Your Knowledge>Q 9
Explain how frog and earthworm breathe in oxygen.
EASY
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Think and Apply>Q 1
Which among the following is the most humid place?
EASY
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Think and Apply>Q 1
Which of the following gases cannot be used directly from the air?