CHEMICAL PROCESS QUIZ

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Fibrillation

Strengthening

Hydration

Cutting

TRUE ANSWER : ?
YOUR ANSWER : ?

Caprolactum (a raw material for nylon-6 manufacture) is produced from

Naphthalene

Pyridine

Benzene

Phenol

TRUE ANSWER : ?
YOUR ANSWER : ?

Process conditions in fermentator used for production of penicillin is

50°C, l0 atm

25°C, 2 atm

30°C, 200 mm Hg (absolute)

90°C, 45 atm

TRUE ANSWER : ?
YOUR ANSWER : ?

Phthalic anhydride is made by the

Oxidation of benzene

None of these

Oxidation of naphthalene

Dehydrogenation of ethyl benzene

TRUE ANSWER : ?
YOUR ANSWER : ?

Black liquor is converted into white liquor by

Evaporation and burning the concentrate followed by causticisation of products

Extractive distillation

Multi-effect evaporation only

Selective liquid extraction

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitric acid is not used in the manufacture of

Explosives

Aqua regia

Fertilisers

Detergents

TRUE ANSWER : ?
YOUR ANSWER : ?

Stereospecific agents are exemplified by

Radiation

Supported metal oxide catalysts

Ziegler catalysts

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick out the wrong statement pertaining to nitric acid.

It is a strong mono basic acid which reacts with almost all the metals except noble metals

Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂)

Arc process of nitric acid manufacture is economical as compared to Ostwald

About 90% of nitric acid is manufactured by Ostwald

TRUE ANSWER : ?
YOUR ANSWER : ?

Helium is produced on commercial scale from

Air

Natural gas

Coke oven gas

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A substance produced by a living organism and capable of anti-microbial activity is called a/an

None of these

Antibiotic

Antiseptic

Disinfectant

TRUE ANSWER : ?
YOUR ANSWER : ?