Easy Chemistry GK Questions
Permanent hardness of water may be removed by the addition of
(A) sodium carbonate
(B) alum
(C) potassium permanganate
(D) lime
Correct Answer : A
If the pH value of a substance is lower than 7, it would be considered as–
(A) Neutral
(B) Base
(C) Acid
(D) Ion
Correct Answer : C
What is the mass number of an element, the atom of which contains two Protons, two neutrons and two electrons?
(A) 2
(B) 4
(C) 6
(D) 8
Correct Answer : B
The air is the example of:
(A) The solution of solid in the gas
(B) The solution of gas in the gas
(C) The solution of liquid in the gas
(D) The solution of liquid in the solid
Correct Answer : B
Percentage of lead in lead pencil is:
(A) zero
(B) 20
(C) 80
(D) 7
Correct Answer : 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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