Chemical Process MCQs

Question 1

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

Accepted Answer

CO & H 2

Answer

N 2 & H 2

Answer

CO 2 & H 2

Answer

C & H 2

Question 2

Main constituent of dolomite is

Accepted Answer

MgCO 3

Answer

CaCO 3

Answer

K 2 CO 3

Answer

Na 2 CO 3

Question 3

Mannheim furnace is used in the manufacture of

Accepted Answer

Hydrochloric acid

Answer

H 2 SO 4 by Chamber process

Answer

Calcium carbide

Answer

Corundum

Question 4

Vinyl chloride (CH 2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of

Accepted Answer

4 kgf/cm 2 & 500°C

Answer

10 kgf/cm 2 & 1000°C

Answer

40 kg/cm 2 & 200°C

Answer

100 kgi/cm 2 & 500°C

Question 5

Setting of plaster of paris is accompanied with

Accepted Answer

Hydration

Answer

Dehydration

Answer

Hydrolysis

Answer

Loss of CO 2

Question 6

10% oleum comprises of 10% free

Accepted Answer

SO 3

Answer

SO 2

Answer

H 2 SO 3

Answer

H 2 SO 4

Question 7

Inversion of sucrose produces

Accepted Answer

Glucose

Answer

Fructose

Answer

Both A &

Answer

Neither A nor B

Question 8

Chemical formula of BHC, which is an insecticide is

Accepted Answer

C 6 H 6 Cl 6

Answer

C 6 Cl 6

Answer

C 6 H 5 Cl

Answer

C 6 H 4 Cl 2

Question 9

Blue colour is imparted to glass by the addition of

Accepted Answer

CaO

Answer

FeSO 4

Answer

PbO

Answer

NaOH