Molecular weights of polymers are in the range of

Question

Molecular weights of polymers are in the range of

A. 10² - 10²

B. 10⁵ - 10⁹

C. 10² - 10⁷

D. 10⁹ - 10¹¹

Share this question with your friends

Show all Chemical Process MCQ

Comment

Bitterns is a/an

A. Unsaturated fat

B. Starting material for the production of iodine

C. By-product of chlor-alkali industry

D. None of these

Discuss this answer

Cooking liquor in case of sulphite process is

A. Sodium sulphite and sodium bisulphite

B. Magnesium sulphite and free SO2 in acid medium

C. Magnesium sulphate and magnesium bicarbonate

D. None of these

Discuss this answer

Ethyl alcohol cannot be produced

A. From waste sulphite substrate of paper mills

B. By Esterification and hydrolysis of ethylene

C. From molasses

D. None of these

Discuss this answer

Type of glass used in optical work is the __________ glass.

A. Soda-lime

B. Fibre

C. Lead

D. Borosilicate

Discuss this answer

Which of the following is not an antibiotic?

A. Penicillin

B. Streptomycin

C. Tetracycline

D. Quinine

Discuss this answer

Dacron is a/an

A. Polyester

B. Unsaturated polyester

C. Polyamide

D. Inorganic polymer

Discuss this answer

Calcination of limestone is not done in a __________ kiln for producing lime.

A. Vertical shaft

B. Rotary

C. Fluidised bed

D. Fixed bed

Discuss this answer

Soap cannot be used with hard water, because

A. Hard water contains sulphate

B. They form insoluble calcium soaps which precipitate

C. They attract back the removed dirt

D. None of these

Discuss this answer

Presence of H₂S in raw water (to be chlorinated) results in the

A. Reduced softening capacity of zeolite

B. Increased dosage of chlorine to provide a disinfecting residual in the water

C. Easy removal of its hardness

D. None of these

Discuss this answer

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

A. Collagen

B. Tannin

C. Molasses

D. Carbohydrate

Discuss this answer

__________ is produced using molasses as the starting raw material.

A. Methyl alcohol

B. Ethyl alcohol

C. Benzol

D. Dimethyl ether

Discuss this answer

Massecuite is a terminology used in the __________ industry.

A. Paint

B. Oil hydrogenation

C. Soap

D. Sugar

Discuss this answer

Naphthols are derivates of

A. Methyl amine

B. Naphthalene

C. Phenol

D. Xylene

Discuss this answer

Zeolite is used in the

A. Water treatment

B. Glass manufacture

C. Hydrogenation of fatty oil as a catalyst

D. Development of exposed photographic plate

Discuss this answer

Drinking (potable) water treatment does not involve

A. Coagulation

B. Sedimentation

C. Softening

D. Disinfection

Discuss this answer

Starting raw material for the manufacture of alum is

A. Alumina

B. Gypsum

C. Bauxite

D. Ammonium bicarbonate

Discuss this answer

Pick out the wrong statement.

A. Pasteurisation of milk involves moderate heating followed by cooling

B. Bakeries and breweries make use of yeasts

C. Enzyme is a complex nitrogenous compound

D. Oils and fats are alkaloids

Discuss this answer

Carboxymethyl cellulose (CMC) is added in detergents to

A. Prevent redeposition of soil on cleaned surface

B. Act as optical brightening agent

C. Inhibit corrosion in washing machines made of aluminium

D. None of these

Discuss this answer

Blue colour is imparted to glass by the addition of

A. FeSO₄

B. PbO

C. CaO

D. NaOH

Discuss this answer

Pick out the wrong statement.

A. Azoic dyes are mostly applied on cotton fabrics

B. Basic dyes (e.g. amino derivatives) are applied mostly to paper

C. Mordant dyes are applied mainly to wools

D. None of these

Discuss this answer

Nylon-66 is so named because the

A. Average degree of polymerisation of the polymer is 1966

B. Number of carbon atoms between two nitrogen atoms are 6

C. Number of nitrogen atoms between two carbon atoms are 6

D. Polymer was first synthesised in 1966

Discuss this answer

Hydrocyanic acid (HCN) is used as an insecticide for

A. Controlling timber degradation by ants

B. Controlling poultry lice

C. Potato beetle

D. Citrus fruits

Discuss this answer

Iron ore hematite is concentrated using

A. Electromagnetic separation mainly

B. Gravity separation

C. Froth floatation

D. Roasting

Discuss this answer

Which of the following processes can remove both temporary as well as permanent hardness of water?

A. Filtration

B. Boiling

C. Distillation

D. None of these

Discuss this answer

Pig iron is produced by blast furnaces in India using mostly the iron ore named

A. Hematite

B. Magnetite

C. Siderite

D. Chalcopyrite

Discuss this answer

Good quality of edible salt is obtained from brine by the process of

A. Solar evaporation

B. Vacuum evaporation

C. Freeze drying

D. Electrolysis

Discuss this answer

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

A. Solvay

B. Ostwald's

C. Haber's

D. None of these

Discuss this answer

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

A. Gives higher conversion efficiency

B. Has a longer life and is not poisoned by arsenic

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

D. All (A), (B) and (C)

Discuss this answer

Lurgi coal gasifier is a pressurised __________ bed reactor.

A. Moving

B. Fixed

C. Fluidised

D. Entrained

Discuss this answer

Setting of plaster of Paris is accompanied with

A. Hydration

B. Dehydration

C. Hydrolysis

D. Loss of CO₂

Discuss this answer

Accepted Answer

C. 10² - 10⁷

Molecular weights of polymers are in the range of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Bitterns is a/an

Cooking liquor in case of sulphite process is

Ethyl alcohol cannot be produced

Type of glass used in optical work is the __________ glass.

Which of the following is not an antibiotic?

Dacron is a/an

Calcination of limestone is not done in a __________ kiln for producing lime.

Soap cannot be used with hard water, because

Presence of H₂S in raw water (to be chlorinated) results in the

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

__________ is produced using molasses as the starting raw material.

Massecuite is a terminology used in the __________ industry.

Naphthols are derivates of

Zeolite is used in the

Drinking (potable) water treatment does not involve

Starting raw material for the manufacture of alum is

Pick out the wrong statement.

Carboxymethyl cellulose (CMC) is added in detergents to

Blue colour is imparted to glass by the addition of

Pick out the wrong statement.

Nylon-66 is so named because the

Hydrocyanic acid (HCN) is used as an insecticide for

Iron ore hematite is concentrated using

Which of the following processes can remove both temporary as well as permanent hardness of water?

Pig iron is produced by blast furnaces in India using mostly the iron ore named

Good quality of edible salt is obtained from brine by the process of

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

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

Lurgi coal gasifier is a pressurised __________ bed reactor.

Setting of plaster of Paris is accompanied with

Also checkout

Molecular weights of polymers are in the range of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Bitterns is a/an

Cooking liquor in case of sulphite process is

Ethyl alcohol cannot be produced

Type of glass used in optical work is the __________ glass.

Which of the following is not an antibiotic?

Dacron is a/an

Calcination of limestone is not done in a __________ kiln for producing lime.

Soap cannot be used with hard water, because

Presence of H2S in raw water (to be chlorinated) results in the

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

__________ is produced using molasses as the starting raw material.

Massecuite is a terminology used in the __________ industry.

Naphthols are derivates of

Zeolite is used in the

Drinking (potable) water treatment does not involve

Starting raw material for the manufacture of alum is

Pick out the wrong statement.

Carboxymethyl cellulose (CMC) is added in detergents to

Blue colour is imparted to glass by the addition of

Pick out the wrong statement.

Nylon-66 is so named because the

Hydrocyanic acid (HCN) is used as an insecticide for

Iron ore hematite is concentrated using

Which of the following processes can remove both temporary as well as permanent hardness of water?

Pig iron is produced by blast furnaces in India using mostly the iron ore named

Good quality of edible salt is obtained from brine by the process of

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

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

Lurgi coal gasifier is a pressurised __________ bed reactor.

Setting of plaster of Paris is accompanied with

Also checkout

Presence of H₂S in raw water (to be chlorinated) results in the

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