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Kerala PSC - Important and Repeated General Science Questions - 11


1. Which acid is present in Orange?


2. Lead pencil contains _____ .


3. Which gas is used in filling electric bulbs ______ ?


4. Lightest metal?


5. Acid rain is due to air pollution by?


6. Ozone is _______ .


7. Petroleum is found in ______ .


8. All noble gases are?


9. The most abundant element in the earth's crust is ?


10. The lustre of a metal is due to _______ .


11. Which gas is used in fire extinguisher?


12. Which gas is used in cigarette lighters?


13. Biogas chiefly contains ______ .


14. Chemical used as fixer in Photography is ______ .


15. Aspirin is ______ .


16. _____ is also known as ‘Stranger Gas.’


17. Natural rubber is a polymer derived from ______.


18. ‘Oil of Vitriol’ is ______ .


19. Paper is chemically _______ .


20. Impurity present in ore is ________ .


21. Which is known as ‘Metal of Future’ ?


22. Efficiency of the catalyst depends on its?


23. Most of the explosions in mines occurs due to mixing of ______ .


24. Vinegar is an aqueous solution of ______ .


25. Kerosene is a mixture of _____ .


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Kerala PSC - Important and Repeated General Science Questions - 11 Kerala PSC - Important and Repeated General Science Questions - 11 Reviewed by Santhosh Nair on 7:35 PM Rating: 5
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