General Science Chemistry MCQs

Chemistry Objective (Multiple Choice) General Knowledge Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examination

71. Which of these is not a Linear polymer?

[A] Starch
[B] Polyethelene
[C] Nylons
[D] Polyesters

Show Answer

72. Which of the following metals is the major constituent of Pewter alloy?

[A] Tin
[B] Indium
[C] Titanium
[D] Lead

Show Answer

73. Which of these non-metals is mainly used as an inert shielding gas?

[A] Xenon
[B] Hydrogen
[C] Argon
[D] Krypton

Show Answer

74. Which of these elements is used as a dopant in n-type silicon wafers?

[A] Antimony
[B] Iodine
[C] Carbon
[D] Radon

Show Answer

75. What are the structures formed by the soap molecules, during cleansing, known as?

[A] Stereates
[B] Esters
[C] Micelles
[D] Tubes

Show Answer

76. Which of these salts is responsible for the hardness of water?

[A] Calcium
[B] Magnesium
[C] Sodium
[D] Both a and b

Show Answer

77. Which of the following detergents represent the liquid dishwashing detergents?

[A] Anionic
[B] Cationic
[C] Non-ionic
[D] None of the above

Show Answer

78. Which of these chemical is used to form soaps containing sodium salts?

[A] Sulphuric acid
[B] Sodium hydroxide
[C] Nitric acid
[D] Carbonic acid

Show Answer

79. Which of these drugs help to reduce or abolish pain without causing impairment of consciousness?

[A] Analgesics
[B] Antibiotics
[C] Tranquilisers
[D] Antiseptics

Show Answer

80. Which of the following is the use of Aspirin drug?

[A] Reduces fever
[B] helps in skeletal pain
[C] helps in preventing heart attacks
[D] All of the above

Show Answer


Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...