Selective Chemistry GK Questions for Competitive Exam
How are 'anions' formed?
(A) Addition of electron
(B) Removal of electron
(C) Addition of proton
(D) Removal of proton
Correct Answer : A
What is the common name of CaoCl2?
(A) Washing Soda
(B) Bleaching Powder
(C) Baking Powder
(D) Baking Soda
Correct Answer : B
Which of the following has the least melting point?
(A) Carbon
(B) Silver
(C) Mercury
(D) Gold
Correct Answer : C
Which of the following gases turn lime water milky?
(A) Carbon Dioxide
(B) Oxygen
(C) Nitrogen
(D) Hydrogen
Correct Answer : A
The stranger gas is also known as___________.
(A) Helium
(B) Argon
(C) Xenon
(D) Neon
Correct Answer : C
The percentage of nitrogen present in ammonium sulphate is:
(A) $$ 30.5 \% $$
(B) $$ 18 \% $$
(C) $$ 21 \% $$
(D) $$ 25\% $$
Correct Answer : C
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Rajesh Bhatia
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