Home: Chemistry MCQs
Q. Urea is widely used in fertilizers as a source of
(A) Biomass
(B) Sulfur
(C) Phosphate
(D) nitrogen
The answer is: (D) nitrogen ☑
Q. Petroleum is a mixture of many
(A) Salt
(B) Hydrocarbons
(C) Hydroxide
(D) Acids
The answer is: (B) Hydrocarbons ☑
Q. Raw materials used for manufacturing urea are
(A) CO2 and NH3
(B) H2 and NH3
(C) HCL and NH3
(D) OH and NH3
The answer is: (A) CO2 and NH3 ☑
Q. Which one is a step of metallurgical process ?
(A) Rustin
(B) Crystallization
(C) Roasting
(D) None of these
The answer is: (C) Roasting ☑
Q. Different fractions of petroleum are separated by ?
(A) Cooling
(B) Fractional Distillation
(C) Steam distillation
(D) None of these
The answer is: (B) Fractional Distillation ☑