Category: Chemistry MCQs FPSC NTS PPSC Past Papers Test Questions

(A) Na
(B) Mg
(C) Ar
(D) Cl

The answer is: (C) Ar

(A) acetone
(B) toluene
(C) water
(D) tetrachloroethylene

The answer is: (C) water
The aqueous solutions are solutions where the solvent is water.

(A) Power of Hydrogen
(B) Position of Hydrogen
(C) Power of Hydrocarbon
(D) Position of Hydrocarbon

The answer is: (A) Power of Hydrogen
In Chemistry, the pH denotes the potential of hydrogen and it stands for power of hydrogen.

(A) alkanes
(B) alkenes
(C) alkali metals
(D) halogens

The answer is: (C) alkali metals
The elements in Group 1A of the periodic table are known as alkali metals.

(A) Sulfur Dioxide
(B) Sulfur and Charcoal
(C) Nitrogen Oxides and Potassium Nitrate
(D) Sulfur Dioxide and Nitrogen Oxides

The answer is: (D) Sulfur Dioxide and Nitrogen Oxides

(A) agriculture
(B) industry
(C) defence
(D) transportation

The answer is: (A) agriculture

(A) ammonia and carbon dioxide
(B) ammonia and oxygen
(C) nitrogen and carbon dioxide
(D) nitrogen and oxygen

The answer is: (A) ammonia and carbon dioxide

(A) salts
(B) hydrocarbons
(C) hydroxides
(D) acids

The answer is: (B) Hydrocarbons

(A) biomass
(B) sulfur
(C) phosphate
(D) nitrogen

The answer is: (D) nitrogen

(A) alkanes
(B) alkenes
(C) alkali metals
(D) halogens

The answer is: (D) halogens
The elements in group 7A of the periodic table are known as halogens.