Chemical Process MCQs

Question 1

More than 100 percent of __________ is present in oleum.

Accepted Answer

H2SO4

Answer

SO3

Answer

H2SO3

Answer

SO2

Question 2

Fire clay is __________ refractory material.

Accepted Answer

An acidic

Answer

A basic

Answer

A neutral

Answer

Not a

Question 3

Pick out the wrong statement.

Accepted Answer

Raw materials for DDT manufacture are benzene and chlorine

Answer

Catalytic hydrogenation of carbon monoxide produces methyl alcohol

Answer

In nylon-6, the number 6 represents the total number of carbon atoms in the ring

Answer

Ethanolamines are produced by using ammonia and ethylene oxide as raw material

Question 4

Metallic soap is __________ salt of fatty acids.

Accepted Answer

Aluminium or calcium

Answer

Sodium

Answer

Potassium

Answer

Both sodium & potassium

Question 5

__________ is a polysacchride.

Accepted Answer

Starch

Answer

Maltose

Answer

Sucrose

Answer

Glucose

Question 6

__________ is an ore of lead.

Accepted Answer

Galena

Answer

Quartz

Answer

Siderite

Answer

Chalcopyrite

Question 7

20% oleum means that in 100 kg oleum, there are 20 kg of

Accepted Answer

SO3 and 80 kg of H2SO4

Answer

H2SO4 and 80 kg of SO3

Answer

SO3 for each 100 kg of H2SO4

Answer

None of these

Question 8

10% oleum comprises of 10% free

Accepted Answer

SO3

Answer

SO2

Answer

H2SO3

Answer

H2SO4

Question 9

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

Accepted Answer

Alumina

Answer

Silica gel

Answer

Platinum

Answer

Nickel