1. Science Quiz: Air

2. AIR GOOD LUCK! These questions test what you have learnt about:
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AIR
GOOD LUCK!

3. Used to test for the presence of water.
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4. cobalt chloride paper Used to test for the presence of water.
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5. Used to test for carbon dioxide.
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6. limewater Used to test for carbon dioxide.
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7. Carbon dioxide turns limewater milky.
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8. milky Carbon dioxide turns limewater milky.
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9. Water turns cobalt chloride paper from blue to pink.
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10. pink Water turns cobalt chloride paper from blue to pink.
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11. The most abundant gas in air.
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12. nitrogen The most abundant gas in air. Click the green button to go
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13. True or False: Air is a compound.
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14. False True or False: Air is a compound. Click the green button to go
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15. True of False: The gases in air can be separated one at a time.
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16. True True of False: The gases in air can be separated one at a time.
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17. The percentage of oxygen in air?
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18. 21% The percentage of oxygen in air? Click the green button to go
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19. The substance formed when magnesium is burned in air.
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20. The substance formed when magnesium is burned in air.
Magnesium oxide (MgO)
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21. You have finished the Quiz.
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You have finished the Quiz.