(A) Impure
(B) Raw
(C) Pure
(D) Refined
Category: Chemistry Mcqs
Chemistry Mcqs for MCAT MDCAT NTS Test PPSC FPSC KPPSC preparation Online Written exam and interview question answers.
Vitamin A is soluble in
(A) Water
(B) Fats
(C) Both A & B
(D) None of these
Vitamin B is soluble in
(A) Water
(B) Fats
(C) Both A & B
(D) None of these
The atomic number of an element is the number of _____ in the _____ of an atom.
(A) electrons, first shell
(B) electrons, last shell
(C) neutrons, nucleus
(D) protons, nucleus
An element is a substance whose atoms all have the same
(A) neutrons
(B) electrons
(C) atomic number
(D) mass number
The atomic number of Hydrogen is
(A) 1
(B) 2
(C) 8
(D) 16
Electron in its ground state does not
(A) spin
(B) revolve
(C) reside in orbit
(D) radiate energy
The number of periods in modern periodic table is
(A) 5
(B) 6
(C) 7
(D) 8
Which of the following is a transition element?
(A) Cu
(B) Cl
(C) S
(D) B
Ink spreads in water because of
(A) Vapor pressure
(B) Diffusion
(C) Dipole movement
(D) Osmosis