50 Science Gk in Chemistry | CHEMISTRY Science quiz Questions and Answers | Part-1

General Knowledge Key
General Knowledge Key
22 هزار بار بازدید - 4 سال پیش - 50 Chemistry Science GK Objective
50 Chemistry Science GK Objective (Multiple Choice) General Knowledge Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examination

1. Beryllium Sulphate is less soluble in water due to
2. Cement is made hard with
3. What happens when a chemical bond is formed ?
4. Which among the following is a carbohydrate ?
5. Commercial nitric acid is coloured because it contains dissolved:
6. Fertiliser having high nitrogen content is :
7. Where does the oxygen that keeps us alive come from?
8. The gas used for artificial fruit ripening of green fruit is —
9. The three elements most needed in common fertilisers are :
10. What is the chemical name for ‘baking soda’?
11. An atomic pile is used for
12. Which of the following gases is present under pressure in soft drinks?
13. The substance which does not expand on going from liquid state to solid state is
14. The radio-active element used in heart pacemakers is
15. Which of the following is used as a lubricant in heavy machines?
16. The anode in a dry cell consists of
17. Which of the following is used to iodise common salf ?
18. Milk is a colloidal system in which:
19. Silk fibre chemically is :
20. Who developed Hydrogen Bomb?
21. When there are two electrons in the same orbital, they have:
22. Galvanization is the :
23. Fermentation of milk to curd is due to :
24. By which organic compound all the oils are known ?
25. Who developed atom bomb ?
26. The major harmful gas emitted by automobile vehicle which causes air pollution is
27. The acid used in lead storage cells is
28. What is the most commonly used substance in fluorescent tubes?
29. What is “milk of magnesia” chemically ?
30. Soap is prepared by boiling caustic soda with
31. Bronze is an alloy of
32. The natural source of hydro-carbon is
33. Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?
34. Which one of the following metals is used to galvanise iron ?
35. Which among the following metals provides amphoteric oxide ?
36. Humburger effect is otherwise known as–
37. Which among the following elements is found in maximum percentage in the human body ?
38. Which among the following is pure matter ?
39. Which among the following coal contains 90 percent of carbon?
40. Bauxite is an alloy of which of the following metals ?
41. Nucleus of an atom consists of.
42. Quartz is made of
43. Which of the following is ozone depleting pesticide ?
44. Isobars are lines joining places having equal
45. Global warming is mainly due to accumulation of
46. Which is abundant in Gobar gas?
47. The most suitable vessel for storing concentrated sulphuric acid is
48. What is the element that is in the highest percentage in the composition of the earth ?
49. Formation of ozone hole is maximum over
50. The fundamental particles present in the nucleus of an atom are
51. Bleaching action of moist sulphur di-oxide is because of its
52. The long range potential of nuclear energy in India depends on its reserves of

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4 سال پیش در تاریخ 1399/09/14 منتشر شده است.
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