GENERAL SCIENCE BITS

GENERAL SCIENCE 

General Science questions for GK paper in Banks , SSC, UPSC , RAILWAYS  and State PSC Examinations.

Top 15 Bits asked in previous exam papers :-

 1. The only element which has three isotopes : Hydrogen 

2. The phenomenon of evaporating of a substance from solid state directly to vapour state : Sublimation 

3. Chloroform that exposed to sunlight = Phosgene

4. Other name for laughing gas = Nitrous oxide 

5. The gas with rotten egg smell = Hydrogen sulphide 

6. The gas that will be released in volcanic eruption = Sulphur dioxide 

7. The gases responsible for global warming = carbon monoxide, carbon dioxide , all carbonising gases like Freon 

8. The gas that is used in welding = Acetylene 

9. The gas that will be used in ripening of fruits = Ethylene 

10. The gas that is popular as gobar gas = Methane

11. The gas that forms solar wind shield = ozone 

12. The gas that will be released on fermentation of compost = Ammonia 

13. The gas that will be used in electric bulb in place of organ = nitrogen 

14. The gas that was identified in sun spectrum = Helium 

15. The gas which is called comma gas = Carbon monoxide .

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