Chemical Process MCQs

Question 1

Fat splitting catalyst is

Accepted Answer

ZnO

Answer

CaCO3

Answer

Al2O3

Answer

Fe

Question 2

Fats as compared to oils have

Accepted Answer

Less unsaturated glycerides of fatty acids

Answer

More unsaturated glycerides of fatty acids

Answer

Much higher reactivity to oxygen

Answer

Lower melting point

Question 3

Vegetable oils and fats basically differ in their

Accepted Answer

Physical state

Answer

Density ranges

Answer

Chemical composition

Answer

Chemical properties

Question 4

Which oil is preferred for paint manufacture?

Accepted Answer

Drying oil

Answer

Non-drying oil

Answer

Semi-drying oil

Answer

Saturated oil

Question 5

Which of the following is not a pyrite ore?

Accepted Answer

Siderite

Answer

Celestite

Answer

Galena

Answer

Gypsum

Question 6

Which is the most efficient absorbant for SO3 out of the following?

Accepted Answer

98% H2SO4

Answer

20% oleum

Answer

65% oleum

Answer

78% H2SO4

Question 7

Starting raw material for the manufacture of alum is

Accepted Answer

Bauxite

Answer

Alumina

Answer

Gypsum

Answer

Ammonium bicarbonate

Question 8

Frasch process is for

Accepted Answer

Mining sulphur

Answer

Making oxygen

Answer

Producing helium

Answer

Making nitrogen

Question 9

Very fine suspended and colloidal impurities are removed from water by a process called

Accepted Answer

Coagulation

Answer

Sedimentation

Answer

Disinfection

Answer

Softening