Chemical Engineering Mcqs

The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _____________________?

• (A)  Alumina
• (B)  Silica gel
• (C)  Platinum
• (D)  Nickel

Answer

Submitted By :Ali Uppal

Catalyst used in the hydrogenation of oil is_________________?

• (A)  Nickel
• (B)  Platinum
• (C)  Iron
• (D)  Alumina

Answer

Submitted By :Ali Uppal

________________ is the major constituent of the Portland cement?

• (A)  Calcium carbonate
• (B)  Calcium oxide
• (C)  Tricalcium silicate
• (D)  Calcium sulphate

Answer

Submitted By :Ali Uppal

Polythene is a/an ______________ polymerisation product?

• (A)  Addition
• (B)  Condensation
• (C)  Thermosetting
• (D)  None of these

Answer

Submitted By :Ali Uppal

Chemical name of ‘alum’ is__________________?

• (A)  Barium sulphate
• (B)  Aluminium sulphate
• (C)  Aluminium chloride
• (D)  Calcium sulphate

Answer

Submitted By :Ali Uppal

Sodium carbonate (soda ash) is not used in the manufacture of___________________?

• (A)  Fire extinguishers
• (B)  Sugar
• (C)  Baking powder
• (D)  Detergents

Answer

Submitted By :Ali Uppal

A ‘unit process’ is exemplified by the___________________?

• (A)  Distillation
• (B)  Hydrogenation of oils
• (C)  Absorption
• (D)  Humidification

Answer

Submitted By :Ali Uppal

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by_________________?

• (A)  Electrolysis
• (B)  Electrolytic reduction
• (C)  Electrolytic oxidation
• (D)  None of these

Answer

Submitted By :Ali Uppal

Alum is commercially produced from___________________?

• (A)  Gypsum
• (B)  Feldspar
• (C)  Galena
• (D)  Bauxite

Answer

Submitted By :Ali Uppal

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the__________________?

• (A)  Diamine and the ring
• (B)  Dibasic acid and the ring
• (C)  Diamine and the dibasic acid
• (D)  None of these

Answer

Submitted By :Ali Uppal