Chemistry Mcqs

When an aldehyde is reacted with hydrogen cyanide a ” Cyanihydrin” is formed. This process is best termed as __________?

(A) Electrophilic addition

(B) Electrophilic substitution

(C) Nucleophilic addition

(D) Necleophilic substitution

Submitted By: Ali Uppal


The relatively high energy of the gauche conformation of butane is primarily associated with_________?

(A) Angle strain

(B) Torsional strain

(C) Steric strain

(D) Orbital strain

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Submitted By: Ali Uppal


Submitted By: Ali Uppal


The Latin word formica means ant. The name formic acid is derived from this Latin word because__________?

(A) this acid, in ancient times, was used to eliminate ant-hills

(B)  this corrosive acid is secreted by ants to drive away their enemies

(C)  this acid was first obtained by the distillation of ants

(D)  ants are attracted by the odour of this acid

Submitted By: Ali Uppal


The octane number of zero is assigned to____________?

(A) 2-methyl octane

(B)  n-heptane

(C)  iso-octane

(D)  3-methyl octane

Submitted By: Ali Uppal


Submitted By: Ali Uppal


The heat required to raise the temperature of body by 1 K is called___________?

(A) specific heat

(B)  thermal capacity

(C)  water equivalent

(D)  None of the above

Submitted By: Ali Uppal


The most commonly used bleaching agent is_________?

(A) alcohol

(B)  carbon dioxide

(C)  chlorine

(D)  sodium chlorine

Submitted By: Ali Uppal