Top 500 GK Questions 2023-24
General Knowledge
Q.451 Normal valency of nitrogen is
A. 2
B. 3
C. 4
D. 5
Ans . B
Q.452 The isotope atoms differ in
A. atomic number
B. number of protons
C. number of electrons
D. atomic weight
Ans . D
Q.453 Nucleus of an atom contains
A. electrons
B. protons
C. electrons and protons
D. protons and neutrons
Ans . D
Q.454 Which one of the following does not contain silver?
A. Horn silver
B. Ruby silver
C. German silver
D. Lunar caustic
Ans . C
Q.455 Nail polish remover contains
A. acetone
B. benzene
C. acetic acid
D. petroleum ether
Ans . A
Q.456 What is a mixture of potassium nitrate powdered charcoal and sulphur called?
A. paint
B. glass
C. gun powder
D. cement
Ans . C
Q.457 Which is the heaviest metal?
A. iron
B. mercury
C. nickel
D. osmium
Ans . B
Q.458 Bleaching action of chlorine is by
A. oxidation
B. reduction
C. decomposition
D. hydrolysis
Ans . C
Q.459 Radon is
A. germon radio
B. inert gas
C. artificial fibre
D. an explosive
Ans . B
Q.460 pH of water is
A. 4
B. 7
C. 12
D. 18
Ans . 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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