Chemical Process MCQs

Question 1

Pick out the wrong statement pertaining to the soap manufacture.

Accepted Answer

Transparent soaps are made by cold process

Answer

Organic pigments are used as colouring materials in the soap manufacture

Answer

Both laundary as well as toilet soaps are manufactured by hot process

Answer

Colourless rosin is used in the manufacture of laundary soaps

Question 2

Carbon disulphide is mainly used in the production of

Accepted Answer

Viscose rayon

Answer

Corundum

Answer

Plasticiser for unsaturated polyester

Answer

Paints

Question 3

Insulin is an __________ drug.

Accepted Answer

None of these

Answer

Anti-malarial

Answer

Anti-TB

Answer

Antibiotic

Question 4

Inversion of sucrose produces

Accepted Answer

Glucose

Answer

Fructose

Answer

Both A & B

Answer

Neither A nor B

Question 5

The function of gypsum addition during cement making is to

Accepted Answer

Decrease the cement setting rate

Answer

Increase the density of cement

Answer

Both A and B

Answer

Neither A nor B

Question 6

Catalytic oxidation-dehydrogenation of methyl alcohol produces

Accepted Answer

Formaldehyde

Answer

Phenol

Answer

Acetone

Answer

Maleic anhydride

Question 7

The combustion reaction, C + O2 = CO2, is

Accepted Answer

Exothermic

Answer

Endothermic

Answer

Autocatalytic

Answer

None of these

Question 8

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

Accepted Answer

Sodium sulphide & sodium carbonate

Answer

Sodium sulphite & sodium carbonate

Answer

Sodium sulphite & sodium sulphide

Answer

None of these

Question 9

Sodium chloride content in sea water is about __________ gms/litre.

Accepted Answer

25

Answer

2

Answer

10

Answer

50