Important Chemistry GK Questions and Answers
Soda lime is a mixture of
(A) NaOH + CaCO3
(B) NaOH + CaO
(C) NaOH + HOH
(D) None of these
Correct Answer : B
The basis of classification of elements in modern periodic table is based on___.
(A) Atomic number
(B) Atomic mass
(C) Atomic volume
(D) Atomic density
Correct Answer : A
Horizontal columns are called in the Periodic table.
(A) Periodic
(B) Class
(C) Electrical chemical sequence
(D) Non-metal
Correct Answer : A
The halogen used as an analgesic is-
(A) Chlorine
(B) Bromine
(C) Iodine
(D) Fluorine
Correct Answer : C
Which of the following is not nucleon?
(A) Proton
(B) Neutron
(C) Both (A) and (B)
(D) Positron
Correct Answer : D
'Every substance in the world is made up of very fine particles.' Who said this first?
(A) Dalton
(B) Kanad
(C) Rutherford
(D) Avogadro
Correct Answer : A
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