General Science – GK Quiz

General Science – GK Quiz

1. Which of the following metals remain in liquid for under normal conditions?
 
 
 
 

2. Which of the following is an element?
 
 
 
 

3. Water is a good solvent of ionic salts because
 
 
 
 

4. Which of the following is not an isotope of hydrogen?
 
 
 
 

5. Bell metal is an alloy of
 
 
 
 

6. Potassium Permanganate is used for purifying drinking water, because
 
 
 
 

7. Amalgams are
 
 
 
 

8. Which of the following is the lightest metal?
 
 
 
 

9. Which metal pollutes the air of a big city?
 
 
 
 

10. The main constituents of pearls are
 
 
 
 

11. The filament of an electric bulb is made of
 
 
 
 

12. In fireworks, the green flame is produced because of
 
 
 
 

13. Air is a/an
 
 
 
 

14. Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
 
 
 
 

15. Permanent hardness of water can be removed by adding
 
 
 
 

16. Which of the following does not contain a coinage metal?
 
 
 
 

17. Marsh gas is
 
 
 
 

18. Diamond is an allotropic form of
 
 
 
 

19. LPG consists of mainly
 
 
 
 

20. Balloons are filled with
 
 
 
 

21. The most important ore of aluminum is
 
 
 
 

22. Actinides are the elements with atomic numbers from
 
 
 
 

23. Most soluble in water is
 
 
 
 

24. From which mineral is radium obtained?
 
 
 
 

25. Which of the following is in liquid form at room temperature?
 
 
 
 

26. Which of the following was to be discovered first in the chromospheres of the sun?
 
 
 
 

27. Sodium metal is kept under
 
 
 
 

28. The two elements that are frequently used for making transistors are
 
 
 
 

29. Which of the following are the ingredients of gun metal?
 
 
 
 

30. What is laughing gas?
 
 
 
 

31. The group of metals Fe, Co, Ni may best called as
 
 
 
 

32. The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of
 
 
 
 

33. Non stick cooking utensils are coated with
 
 
 
 

34. The element common to all acids is
 
 
 
 

35. Monazite is an ore of
 
 
 
 

36. Permanent hardness of water may be removed by the addition of
 
 
 
 

37. Carbon, diamond and graphite are together called
 
 
 
 

38. Heavy water is
 
 
 
 

39. Potassium nitrate is used in
 
 
 
 

40. Soda water contains
 
 
 
 


 

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