Basic Science GK Questions and Answers
What is the scientific name for common salt?
(A) sodium sulfate
(B) sodium chloride
(C) sodium bicarbonate
(D) Ammonium chloride
Correct Answer : D
The velocity of light is maximum in ______.
(A) Diamond
(B) Water
(C) Vacuum
(D) Glass
Correct Answer : C
In which of the following industries is mica as a raw material?
(A) Cement
(B) Glass and Pottery
(C) Iron and Steel
(D) Electrical
Correct Answer : D
Which of the following metals is known as coin metal?
(A) Copper
(B) Silver
(C) Gold
(D) All of the above
Correct Answer : D
The best means of extinguishing petrol fires is-
(A) Baking Powder
(B) Carbon dioxide
(C) Sand
(D) Water
Correct Answer : B
Which of the following is the hardest substance?
(A) Platinum
(B) Diamond
(C) Gold
(D) Silver
Correct Answer : B
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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