Basic Science Questions for Competitive Exam
Basic Science Questions with Answers
Q.36 Heavy water is
(A) deuterium oxide
(B) PH7
(C) rain water
(D) tritium oxide
Ans . A
Q.37 The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of
(A) bromine
(B) fluorine
(C) chlorine
(D) sulphur
Ans . D
Q.38 The element common to all acids is
(A) hydrogen
(B) carbon
(C) sulphur
(D) oxygen
Ans . A
Q.39 Non stick cooking utensils are coated with
(A) Teflon
(B) PVC
(C) black paint
(D) polystyrene
Ans . A
Q.40 Monazite is an ore of
(A) titanium
(B) zirconium
(C) iron
(D) thorium
Ans . D
Q.41 Carbon, diamond and graphite are together called
(A) allotropes
(B) isomers
(C) isomorphs
(D) isotopes
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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