CHEMICAL PROCESS QUIZ

Salt is added in the kettle during soap manufacture to separate

Soap from lye

The unsaponified fat from soap

Glycerine from lye

The metallic soap

TRUE ANSWER : ?
YOUR ANSWER : ?

Insulin is an __________ drug.

None of these

Anti-TB

Antibiotic

Anti-malarial

TRUE ANSWER : ?
YOUR ANSWER : ?

Tall oil obtained as a by-product from the black liquor recovery is

Composed mainly of rosin & fatty acids

All of these

Used in the manufacture of greases, emulsions & soaps

A black, sticky & viscous liquid

TRUE ANSWER : ?
YOUR ANSWER : ?

The product obtained on mixing calcium oxide with water is called

Slaked lime

Quicklime

Milk of lime

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Oleum produces fumes of

SO₂

SO₃

H₂SO₄

SO₂ + H₂SO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to

Reduce its viscosity

Reduce the variation in its viscosity with temperature

Increase its viscosity

Increase the variation in its viscosity with temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

Presence of carbonaceous matter in the sewage

Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures

All of these

Increases the quantity of chlorine used for its purification

Reduces sulphate ions to sulphides causing obnoxious smell

TRUE ANSWER : ?
YOUR ANSWER : ?

CaCl(OCl) is the chemical formula of

Aqua regia

Bleaching powder

Plaster of paris

Hypo

TRUE ANSWER : ?
YOUR ANSWER : ?

Commercially ethylene is produced from naphtha by

Catalytic dehydrogenation

Pyrolysis

Catalytic cracking

Hydrocracking

TRUE ANSWER : ?
YOUR ANSWER : ?

Sea water contains about __________ ppm of bromine.

70

500

5

1700

TRUE ANSWER : ?
YOUR ANSWER : ?