Air Around Us - Workbook
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Q1 · MCQ · 1 mark
Which gas is present in the largest amount in the air?
Q2 · FILL · 1 mark
About 21% of the air is made up of _________ gas.
Q3 · SHORT · 2 marks
Name two components of air other than nitrogen and oxygen.
Q4 · MCQ · 1 mark
Which of these gases supports burning?
Q5 · FILL · 1 mark
The layer of air surrounding the Earth is called the _________.
Q6 · MCQ · 1 mark
What percentage of air is nitrogen?
Q7 · SHORT · 2 marks
How is wind useful to us?
Q8 · FILL · 1 mark
Living organisms breathe in _________ from the air for survival.
Q9 · MCQ · 1 mark
Which of these is NOT a property of air?
Q10 · SHORT · 2 marks
Why is carbon dioxide important for plants?