Important Chemistry GK Questions
Q :
Correct Answer : A
Q :
Correct Answer : D
Q :
Correct Answer : B
Q :
Correct Answer : D
Q :
Correct Answer : C
Q :
Correct Answer : B
A fermentation of grapes?
(A) chemical change is
(B) physical change
(C) Both chemical and physical changes
(D) Others
Correct Answer : A
Which acid is found in vinegar?
(A) lactic acid
(B) citric acid
(C) Methanoic acid
(D) Acetic acid
Correct Answer : D
Approximate pH value of lemon juice?
(A) 10
(B) 2.2
(C) 12
(D) 14
Correct Answer : B
Which of the following is not nucleon?
(A) Proton
(B) Neutron
(C) Both (A) and (B)
(D) Positron
Correct Answer : D
In the nucleus of Helium,
(A) four protons
(B) four neutrons
(C) two neutrons and two protons
(D) four protons and two electrons
Correct Answer : C
Which of the following is not a normal salt?
(A) $$ {Na_2SO_4}$$
(B) $$ {NaHSO_4}$$
(C) $$ {Na_3PO_4}$$
(D) $$ {CaSO_4}$$
Correct Answer : B