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- 1. Multiple Choice
Major part of the air is constituted by
oxygen
inter gases
nitrogen
carbon dioxide
- 2. Multiple Choice
Wind is -
air around us
air in motion
rising hot air
none of these
- 3. Multiple Choice
air is present in
atmosphere
soil
water of ponds lakes and seas
everywhere
- 4. Multiple Choice
air is
a mixture
a pure substance
an element
anything that depends on the place where it is found
- 5. Multiple Choice
Moving air is called
dust
smoke
wind
nitrogen
- 6. Multiple Choice
properties of oxygen gas is
colourless
tasteless
odourless
all of these
- 7. Multiple Choice
The composition of nitrogen gas in the atmosphere is
21%
78%
1%
0.01%
- 8. Multiple Choice
Air is considered to be
a compound
a mixture
an element
a solvent
- 9. Fill in the Blank
air is a ____of gases
- 10. Fill in the Blank
____is the layer of air around the earth
- 11. Fill in the Blank
____gas helps in burning
- 12. Fill in the Blank
air is____
- 13. Multiple Choice
air is a mixture of gases
true
false
- 14. Multiple Choice
air in motion is called wind
true
false
- 15. Multiple Choice
oxygen constitutes 21% of the air
true
false
- Answer choicesTagsAnswer choicesTags