CHEMICAL PROCESS QUIZ

Finely ground calcium aluminate & silicate is a/an

Abrasive

Cermet

Explosive

Cement

TRUE ANSWER : ?
YOUR ANSWER : ?

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

Tar neutralises the residual acids present in pitch

Its calorific value is very less

All of these

It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop

TRUE ANSWER : ?
YOUR ANSWER : ?

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

All of these

Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant

Gives higher conversion efficiency

Has a longer life and is not poisoned by arsenic

TRUE ANSWER : ?
YOUR ANSWER : ?

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

250-300

25

150-200

60-70

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not responsible for causing permanent hardness of water?

MgCl₂

None of these

Ca(HCO₃)₂

CaCl₂

TRUE ANSWER : ?
YOUR ANSWER : ?

Most widely and commonly used coagulant for the removal of suspended impurities in water is

Alum

Bleaching powder

Copper sulphate

Slaked lime

TRUE ANSWER : ?
YOUR ANSWER : ?

Sulphur addition in soap is done to

Fasten lather formation

Increase its cleansing action

Cure pimples & dandruff

Improve the soap texture

TRUE ANSWER : ?
YOUR ANSWER : ?

Massacuits is a terminology used in the __________ industry.

Oil hydrogenation

Soap

Sugar

Paint

TRUE ANSWER : ?
YOUR ANSWER : ?

Fermentator temperature during production of alcohol from molasses is around __________ °C.

300

150

30

5

TRUE ANSWER : ?
YOUR ANSWER : ?

Boiling of water containing temporary hardness produces

CO₂

CaHCO₃

CaSO₄

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?