CHEMISTRY - AIR AND ATMOSPHERE - MULTIPLE CHOICE QUESTIONS - First 4 pages

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🚀 Air & Atmosphere Mega Quiz

Click your answers and see if you are a Science Superstar!


1. What is the approximate percentage of Nitrogen in the Earth's atmosphere?
2. Which of these is NOT listed as a 'noble gas'?
3. The atmosphere extends up to how many kilometers into space?
4. In Investigation 5.1, what is the ratio of oxygen to nitrogen proven?
5. Phosphorus reacts with Oxygen to form which white gas?
6. Limewater turns milky because of which gas?
7. Why do droplets appear on the OUTSIDE of a cold glass?
8. What is the definition of a 'fuel'?
9. Dried cow-dung cakes are which type of fuel?
10. Which fuel is used in thermoelectric power stations?
11. What is the full form of LPG?
12. Which gas is mostly methane and piped to homes?
13. Combustion forms Carbon dioxide and _________?
14. Why does a candle go off under a glass?
15. What turns from white to blue when it touches water vapour?

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