Important Chemistry GK Questions and Answers

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
What happens in most toothpastes to prevent tooth decay?
(A) Bromide
(B) Fluoride
(C) Iodide
(D) Chloride
Correct Answer : B
Which of the following is not a normal salt?
(A)
(B)
(C)
(D)
Correct Answer : B
Solutions having the same osmotic pressure at a given temperature are called_____.
(A) hypertonic solution
(B) hypotonic solution
(C) colloidal solution
(D) Isotonic solution
Correct Answer : D
Which is not a property of Ionic bond?
(A) Gain of electrons
(B) Losses of electrons
(C) Transfer of electrons
(D) Sharing of electrons
Correct Answer : D
Which of the following laws suggest a direct relationship between Temperature and Volume of a gas?
(A) Avogadro rule
(B) Charles rule
(C) Boyle rule
(D) None of these
Correct Answer : B