GK Questions on Metal and Alloys for Competitive Exams

Rajesh Bhatia3 years ago 31.3K Views Join Examsbookapp store google play
GK Questions on Metal and alloy

Chemistry GK

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Q.11 Which one of the following does not contain silver?

A. Horn silver
 B. Ruby silver
 C. German silver
 D. Lunar caustic


Ans .  C

Q.12 Nail polish remover contains

A. acetone
 B. benzene
 C. acetic acid
 D. petroleum ether


Ans .  A

Q.13 What is a mixture of potassium nitrate powdered charcoal and sulphur called?

A. paint
 B. glass
 C. gun powder
 D. cement


Ans .  C

Q.14 Which is the heaviest metal?

A. iron
 B. mercury
 C. nickel
 D. osmium


Ans .  B

Q.15 Bleaching action of chlorine is by

A. oxidation
 B. reduction
 C. decomposition
 D. hydrolysis


Ans .  C

Q.16 Radon is

A. germon radio
 B. inert gas
 C. artificial fibre
 D. an explosive


Ans .  B

Q.17 pH of water is

A. 4
 B. 7
 C. 12
 D. 18


Ans .  B

Q.18 pH of blood is

A. 4
 B. 6.4
 C. 7.4
 D. 8


Ans .  C

Q.19 Natural rubber is a polymer derived from

A. isoprene
 B. ethylene
 C. propylene
 D. butadiene


Ans .  A

Q.20 First atomic theory was proposed by

A. John Dalton
 B. E.Rutherford
 C. De Broglie
 D. D.I.Mendeleef


Ans .  A

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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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