Easy and Important Chemistry GK Questions
Which of the following compound has a tetrahedral shape?
(A) water
(B) Ammonia
(C) Acetylene
(D) carbon tetrachloride
Correct Answer : D
What is the tendency to lose electrons called?
(A) Motivation
(B) Reduction
(C) Oxidation
(D) none of these
Correct Answer : C
The number of isotopes of polonium is
(A) 202
(B) 25
(C) 27
(D) 24
Correct Answer : C
The tendency to lose electrons called?
(A) Motivation
(B) Oxidation
(C) Reduction
(D) none of these
Correct Answer : D
The photooxidation process is started by?
(A) by catalyst
(B) by light
(C) by heat
(D) by oxygen
Correct Answer : B
Which scientist first discovered radioactivity?
(A) Henry Becquerel
(B) Irene Curie
(C) Madame Curie
(D) none of these
Correct Answer : A
What is the unit of radioactivity?
(A) Fermi
(B) Curie
(C) Candela
(D) none of these
Correct Answer : B
Who discovered X-rays?
(A) Faraday
(B) Newton
(C) Rutherford
(D) none of these
Correct Answer : A
Isobars are formed by the emission of which of the following?
(A) X rays
(B) gamma ray
(C) beta ray
(D) alpha ray
Correct Answer : C
What type of charge does β-rays carry?
(A) negative
(B) positive
(C) zero charge
(D) none of these
Correct Answer : A
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Rajesh Bhatia
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