Chemistry Quiz- 5

1. What type of mixture is smoke ?

Correct! Wrong!

Ans. : - (d)

2. A compound that is water vapour from the air is -

Correct! Wrong!

Ans. : - (d)

3. Which one among the following will you put into pure water in order to pass electric current through it ?

Correct! Wrong!

Ans. : - (c)

4. Gypsum (CaSO2.2H2O) is added to clinker during cement manufacturing to -

Correct! Wrong!

Ans. : - (a)

5. Sodium thiosulphate (Na2S2O3) solution is used in photography to -

Correct! Wrong!

Ans. : - (c)

6. Sacrific cacrificial anode protects iron or ships, underground pipelines etc from rusting, a process unown as cathodic protection. Which one of the Following metals cannot be used as a sacrificial anode ?

Correct! Wrong!

Ans. : - (a)

7. Scuba divers are at risk due to high concentration of dissolved gases while breathing air at high pressure under water. The tanks used by Scuba divers are filled with -

Correct! Wrong!

Ans. : - (a)

8. Which one among the following has been producing/can produce light by a chemical change ?

Correct! Wrong!

Ans. : - (a)

9. Nail polish remover contains -

Correct! Wrong!

Ans. : - (a)

10. The rusting of iron nail -

Correct! Wrong!

Ans. : - (b)

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