(A) 0
(B) 1
(C) 2
(D) 5
Tag: Chemistry mcqs
Process in which a solid directly changes to vapours is known as?
(A) Diffusion
(B) Evaporation
(C) Fusion
(D) Sublimation
With the rise in temperature the solubility of a gas?
(A) Stop
(B) No effect
(C) Increase
(D) Decrease
Al-Razi divided chemical substances on the basis of their?
(A) Nucleus
(B) Origin
(C) Mass number
(D) Atomic number
__ is the branch of chemistry which deals with the carbon compounds.
(A) Inorganic
(B) Organic
(C) Biochemistry
(D) None of the above
Biochemistry is the backbone of?
(A) Living organisms
(B) Organic chemistry
(C) Chemical substances
(D) Medical science
PVC which is a plastic is the short name for?
(A) Poly Vinyl Chloride
(B) Poly Vinyl Chlorine
(C) Plastic Vinyl Chloride
(D) None of the above
Who discovered oxygen?
(A) Bohr
(B) Rutherford
(C) J.Priestly
(D) None of the above