General Science Questions and Answers for TNPSC Exam Part 4
61. Which gas is used as a fuel in gas stoves and furnaces?
Natural gas (methane)
62. What is the chemical formula for ozone, a molecule that forms a protective layer in the Earth's stratosphere?
O3
63. Which gas is used in the production of fertilizers and explosives?
Ammonia (NH3)
64. What is the chemical formula for sulfur hexafluoride, a gas used as an insulator in electrical equipment?
SF6
65. Which gas is used in the manufacture of soda ash (sodium carbonate)?
Ammonia (NH3)
66. What is the chemical formula for carbon disulfide, a volatile liquid used as a solvent and in the production of rayon?
CS2
67. Which gas is commonly used in the food industry to prevent the oxidation and spoilage of packaged food products?
Nitrogen (N2)
68. What is the chemical formula for ethylene, a gas that acts as a plant hormone and is used in the ripening of fruits?
C2H4
69. Which gas is used in the production of dry ice, which is solid carbon dioxide?
Carbon dioxide (CO2)
70. What is the chemical formula for hydrogen sulfide, a gas known for its foul odor, commonly referred to as "rotten egg gas"?
H2S
71. Which gas is used in the production of ammonia-based fertilizers and explosives?
Hydrogen (H2)
72. What is the chemical formula for nitric oxide, a gas involved in various physiological processes in the human body?
NO
73. Which gas is used as a fuel for rockets and spacecraft due to its high energy content?
Hydrogen (H2)
74. What is the chemical formula for sulfur hexafluoride, a gas used as an insulator in electrical equipment?
SF6
75. Which gas is used in the production of fertilizers and explosives?
Ammonia (NH3)
76. What is the chemical formula for carbon disulfide, a volatile liquid used as a solvent and in the production of rayon?
CS2
77. Which gas is commonly used in the food industry to prevent the oxidation and spoilage of packaged food products?
Nitrogen (N2)
78. What is the chemical formula for ethylene, a gas that acts as a plant hormone and is used in the ripening of fruits?
C2H4
79. Which gas is used in the production of dry ice, which is solid carbon dioxide?
Carbon dioxide (CO2)
80. What is the chemical formula for hydrogen sulfide, a gas known for its foul odor, commonly referred to as "rotten egg gas"?
H2S
81. Which gas is used in the production of
ammonia-based fertilizers and explosives?
Hydrogen (H2)
82. What is the chemical formula for nitric
oxide, a gas involved in various physiological processes in the human body?
NO
83. Which gas is used as a fuel for rockets
and spacecraft due to its high energy content?
Hydrogen (H2)
