Important Chemistry GK Questions
(Chemistry question answer 2023)
1. Question –: What is the nuclear fuel in the Sun?
Answer –: Hydrogen
2. Question –: What is called strategic metal?
Answer –: Titanium
3. Question –: What is the branch of chemistry related to the study of living systems called?
Answer –: Organic Chemistry
4. Question –: Which is the main gas polluting the environment?
Answer –: Sulfur Dioxide
5. Question –: What is the medicine that prevents infection and weathering called?
Answer –: Resistant
6. Question –: What is the nature of saliva?
Answer –: acidic
7. Question –: Which gas is used to extinguish the fire?
Answer –: Carbon Dioxide
8. Question –: By which method is the mixture of sugar and salt separated?
Answer –: Ravakaran
9. Question –: Which is the most abundant substance found in sea water?
Answer –: Common salt
10. Question –: What is added to the soil to reduce its alkalinity?
Answer –: Gypsum
11. Question –: Which is the natural substance which is made of only one element and from which energy
can be obtained?
Answer –: Coal
12. Question –: What is the main component of cow dung gas?
Answer –: Methane
13. Question –: The water which does not foam easily is called?
Answer –: Hard water
14. Question –: What – what happens in the mixture of gunpowder?
Answer –: Nitrate, Sulfur and Wood Coal (Charcoal)
15. Question –: Where is the National Chemical Laboratory located?
Answer –: In Pune
16. Question –: What dissolves in water after passing over the rocks, it becomes hard?
Answer –: Calcium carbonate
17. Question –: Which metal is the best conductor of electricity?
Answer –: Silver
18. Question –: The water which gives more lather quickly and more when rubbed with soap?
Answer –: soft water
19. Question –: Which is the purest type of coal?
Answer –: Anthracite
20. Question –: By which method pure water can be obtained from the oceans?
Answer –: Distillation
21. Question –: What is used in tanning of leather?
Answer –: of Alum
22. Question –: What is the unit of radioactivity?
Answer –: Curie
23. Question –: Cement is mainly a mixture of?
Answer –: of calcium silicate and aluminum silicate
24. Question –: What is the acceptance of electrons called?
Answer –: reduction
25. Question –: What is the pH value of saliva?
Answer –: 6.5
26. Question –: What is the effect on the solubility of a gas in a liquid when the pressure increases?
Answer –: Decreases
27. Question –: What is the atomic number of Radium?
Answer –: 88
28. Question –: Which metal's ore is celomilin?
Answer –: Manganese
29. Question –: What is the industrial process of producing gasoline artificially called?
Answer –: Fischer-Tropsch process
30. Question –: What is the process of separating compounds from mixtures in their specific form called?
Answer –: Refinement
31. Question –: What is the percentage of sodium among the major elements found on earth?
Answer –: 2.83%
32. Question –: What are the atomic numbers from 57 to 71 called in the modern periodic table?
Answer –: Lanthanide series
33. Question –: What is the chemical formula of mercuric oxide?
Answer –: HgO
34. Question –: What is the chemical formula of bleaching powder?
Answer –: CaOCl2
35. Question –: How is a pure diamond?
Answer –: Transparent and colorless
36. Question –: In which type of coal the amount of water vapor is more?
Answer –: Lignite coal
37. Question –: What is the symbol of tungsten?
Answer –: W
38. Question –: How many elements are there in the 0 group in the periodic table?
Answer –: 6 elements
39. Question –: Who acts as a catalyst in making artificial ghee from vegetable oils?
Answer –: Nickel
40. Question –: What is the strongest reducing agent?
Answer –: Lithium
41. Question –: What is the melting point and freezing point of ice?
Answer –: 0°C
42. Question –: By which process common salt is obtained from sea water?
Answer –: Evaporation
43. Question –: What are inert gases?
Answer –: The gases which are not chemically reactive.
44. Question –: What is the purity of primary gold?
Answer –: 24 Carat
45. Question –: The point at which solid, liquid and gaseous states of a substance co-exist is called?
Answer –: sacral point
46. Question –: What is used as a fixer in photography?
Answer –: of sodium thiosulphate
47. Question –: What is the filament of halogen lamp made of?
Answer –: Alloy of tungsten and sodium
48. Question –: What are the elements of I-B group of the periodic table called?
Answer –: Coin Metal
Question –: Which are the two gases used in the industrial production of sulfuric acid?
Answer –: Sulfur dioxide and oxygen
49. Question –: What is the formula of sodium bicarbonate?
Answer –: NaHCO3
50. Question –: Which gas is used to ripen green fruits?
Answer –: Ethylene
61. Question –: What are the reactions in which heat is emitted called?
Answer –: exothermic reactions
62. Question –: What is the percentage of sulfur in the earth's crust approximately?
Answer –: Around 0.05%
63. Question –: The condition of global warming arises due to the concentration of which gas in the atmosphere?
Answer –: Hydrogen
64. Question –: What is the volume of gases at absolute zero temperature?
Answer –: 0
65. Question
What is the process of converting a solid substance directly into gaseous form on heating?
Answer –: Sublimation
66. Question –: Which is the most used metal by humans?
Answer –: Iron
67. Question –: Which acid is found in tomato?
Answer –: Oxalic acid
68. Question –: Which compound is used as an antimalarial drug?
Answer –: Chloroquine
69. Question –: What is the chemical name of baking soda?
Answer –: Sodium Bicarbonate
70. Question –: Which is the basic element used in the manufacture of matches?
Answer –: Phosphorus
71. Question –: The substance mixed with detergent and enzymes washes very cleanly. This type of washing
What is called
Answer –: Micro system washing
72. Question –: Which gas is mainly filled in tube light?
Answer –: Mercuric oxide and argon gas
73. Question –: Which gas cover absorbs harmful ultraviolet radiation from the Sun?
Answer –: Ozone
74. Question –: What is the process of heating natural rubber mixed with sulphur?
Answer –: Vulcanization
75. Question –: Which element is essentially present in all acids?
Answer –: Hydrogen
76. Question –: Which is the best anti-explosion compound?
Answer –: Tetra ethyl lead
77. Question –: Which is the most important compound for the growth of plants?
Answer –: Nitrogen
78. Question –: Which metal was first used by humans?
Answer –: Copper
79. Question –: What type of reaction is corrosion?
Answer –: Oxidation reaction
80. Question –: What is the number of protons present in the nucleus of an atom of an element called?
Answer –: Atomic Number
81. Question –: What is the pH value of human blood?
Answer –: 7.5
82. Question –: What is the process of expulsion of water from any system called?
Answer –: Dehydration
83. Question –: Which metal is added to gold while making jewellery?
Answer –: Copper
84. Question –: The heating of electric apparatus used for boiling hard water
What happens to the white layer that forms on the ingredient?
Answer –: Salts of calcium and magnesium
85. Question –: Which gas is used to make soda water?
Answer –: CO2
86. Question –: Which is the element found in maximum quantity in rocks and minerals?
Answer –: Silicon
87. Question –: Which is the element with highest electrical conductivity?
Answer –: Silver
88. Question –: What will be the pH value of a salt made of a strong acid and a weak base?
Answer –: less than 7
89. Question –: When a metal comes in contact with any chemical and oxygen, it gets rusted.
What is the process of
Answer –: Oxidation
90. Question –: On what is the pure metal deposited during the electrolysis of molten salts?
Answer –: at cathode
91. Question –: Which acid is used in making colour?
Answer –: Hydrochloric acid
92. Question –: What is gun powder?
Answer –: It is a mixture of potassium nitrate and carbon and sulphur.
93. Question –: The first synthetic fiber made by man was?
Answer –: Nylon
94. Question –: Which is the element used in domestic refrigerator?
Answer –: Freon
95. Question –: To increase the corrosion resistance of steel, it is added to?
Answer –: Chromium
96. Question –: Dutch metal is a mixture of which two metals?
Answer –: Copper and Zinc
97. Question –: How many electrons are there in the outermost orbit of inert gas atoms?
Answer –: Eight
98. Question –: Who is called the father of chemistry?
Answer –: Lavoisier
99. Question –: What is the reason for temporary hardness of water?
Answer –: Calcium bicarbonate
100. Question –: Which compound does not form a clear solution with water?
Answer –: Benzoic acid
101. Question –: Human beings working in asbestos factories become victims of air pollution.
Which is the most affected part of their body?
Answer –: Lungs
102. Question –: Which is the main raw material used for the manufacture of rayon?
Answer –: Cellulose
103. Question –: What is the amount of carbon in anthracite coal?
Answer –: 85%
104. Question –: What is wood spirit?
Answer –: methyl alcohol
105. Question –: Which substance has the highest specific heat?
Answer –: water
106. Question –: Which is the chemical substance present in bones and teeth?
Answer –: Calcium Phosphate
107. Question –: Why does bleeding stop by applying alum on the wound?
Answer –: Alum coagulates the blood and makes it a clot.
108. Question –: Which acid is used for writing on glass?
Answer –: Hydrochloric acid
109. Question –: Which chemical is used to preserve food grains/food items?
Answer –: Sodium Benzoate
110. Question –: Silica pure for passing ultraviolet rays in scientific instruments
Which is the crystalline form?
Answer –: Quartz glass
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