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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