Top 500 GK Questions 2023-24
General Knowledge
Q.481 Into which of the following metals does radioactive Uranium decay when it loses all its radioactivity?
(A) Radium
(B) Carbon
(C) Lead
(D) Hydrogen
Ans . C
Q.482 Galvanized iron has a thin coating of :
(A) copper
(B) tin
(C) zinc
(D) aluminium
Ans . C
Q.483 The Venus symbol (♀), a circle with a small cross below it, is the gender symbol for female and also the metal -
(A) gold
(B) copper
(C) zinc
(D) silver
Ans . B
Q.484 Plumbism is a condition due to the poisoning effect of -
(A) lead
(B) mercury
(C) copper
(D) uranium
Ans . C
Q.485 Duralumin is an alloy of copper and
(A) lead
(B) zinc
(C) tin
(D) aluminium
Ans . D
Q.486 In which of the following metals is the speed of sound the fastest?
(A) copper
(B) aluminium
(C) steel
(D) gold
Ans . B
Q.487 Which of the following is the heaviest metal?
(A) gold
(B) osmium
(C) mercury
(D) lead
Ans . B
Q.488 Which of the following gases is responsible for discolouration of brass in air?
(A) nitrogen oxide
(B) carbon dioxide
(C) water vapour
(D) hydrogen sulphide
Ans . D
Q.489 Which of the following metals forms an amalgam with other metals?
(A) magnesium
(B) mercury
(C) manganese
(D) molybdenum
Ans . B
Q.490 Which of the following metals is central to chlorophyll, the pigment which gives green colour to leaves of plants?
(A) magnesium
(B) manganese
(C) aluminium
(D) sodium
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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