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Basic Science GK Questions and Answers

2 years ago 10.2K Views
Q :  

What is the scientific name for common salt?

(A) sodium sulfate

(B) sodium chloride

(C) sodium bicarbonate

(D) Ammonium chloride

Correct Answer : D

Q :  

The velocity of light is maximum in ______.

(A) Diamond

(B) Water

(C) Vacuum

(D) Glass

Correct Answer : C

Q :  

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

Q :  

Which of the following metals is known as coin metal?

(A) Copper

(B) Silver

(C) Gold

(D) All of the above

Correct Answer : D

Q :  

The best means of extinguishing petrol fires is-

(A) Baking Powder

(B) Carbon dioxide

(C) Sand

(D) Water

Correct Answer : B

Q :  

Which of the following is the hardest substance?

(A) Platinum

(B) Diamond

(C) Gold

(D) Silver

Correct Answer : B

  


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