Top 500+ TNPSC Group 4 Chemistry Questions and Answers - 1
Question: 1
Antimony is
(A) Metalloid
(B) Metal
(C) Non metal
(D) None of these
Ans: A
Metalloid
Question: 2
Alum is water purifier because it
(A) Destroys the pathogenic bacteria
(B) Coagulates the impurities
(C) Softens hard water
(D) Gives taste
Ans: A
Destroys the pathogenic bacteria
Question: 3
Oxygen was discovered by
(A) Priestley
(B) Scheele
(C) Cavendish
(D) Boyle
Ans: A
Priestley
Question: 4
Cation formation is an
(A) Isothermal process
(B) Endoergic process
(C) Exoergic process
(D) Adiabatic Process
Ans: B
Endoergic process
Question: 5
Ozone molecule is
(A) Tetrahedral
(B) Diamagnetic
(C) Linear
(D) Paramagnetic
Ans: B
Diamagnetic
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