High temperature carbonisation of coal produces

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High temperature carbonisation of coal produces

A. Inferior coke compared to low temperature carbonisation

B. Less of gases compared to liquid products

C. Larger quantity of tar compared to low temperature carbonisation

D. None of these

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Analgesic drugs are

A. Pain relievers

B. Antibiotics

C. Used in the treatment of T.B.

D. Used in the treatment of typhoid

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The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

A. Avoid mechanical weakening of fibre

B. Remove lignin by way of crystallisation

C. Increase the cellulose content

D. None of these

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Dehydrogenation of Isopropanol produces

A. Propyl alcohol

B. Acetone

C. Trichloroethylene

D. Formaldehyde

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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

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Antibiotic

A. Inhibits/destroys the growth of microorganisms

B. Is used as a pain reliever

C. Is an antimalarial

D. Is an anaesthetic

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Which is the most suitable dye for synthetic fibres?

A. Acid dye

B. Azoic dye

C. Pigment dye

D. Mordant dye

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Gypsum is chemically

A. Calcium chloride

B. Potassium sulphate

C. Sodium sulphate

D. Calcium sulphate

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Use of hydrated lime in water treatment

A. Before filtration, reduces the bacterial load on filters

B. After filtration, combats the corrosiveness of water due to the presence of O₂ & CO₂

C. Is to adjust the pH value

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

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

A. Cutting

B. Fibrillation

C. Hydration

D. Strengthening

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Acrylonitrile is mainly used in the __________ industry.

A. Polymer

B. Printing

C. Dyeing

D. Photographic

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Chrome tanning and vegetable tanning are done for

A. Light & heavy leather respectively

B. Heavy & light leather respectively

C. Both light & heavy leather

D. Neither light nor heavy leather

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Aryl benzene sulphonate (ABS) is a

A. Detergent

B. Plasticiser for unsaturated polyester

C. Starting material for the synthesis of glycerine

D. Coating ingredient for photographic film

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The end bleaching agent used to move last traces of colour bodies from the pulp is

A. Chlorine dioxide (ClO₂)

B. MgO

C. SO₂ gas

D. Mercaptans

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Sucrose is a disaccharide consisting of

A. Glucose and glucose

B. Glucose and fructose

C. Glucose and galactose

D. Fructose and galactose

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Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

A. Explosive

B. Soap

C. Detergent

D. Analgesic drug

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Very fine suspended and colloidal impurities are removed from water by a process called

A. Sedimentation

B. Coagulation

C. Disinfection

D. Softening

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Dacron is a

A. Condensation product of Hexamethylene diamine and adipic acid

B. Thermosetting material

C. Condensation product of dimethyl terephthalate and ethylene glycol

D. None of these

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Production of alcohol by fermentation of molasses is a/an __________ process.

A. Anaerobic

B. Aerobic

C. Endothermic

D. Both (B) and (C)

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Fermentation of molasses to produce ethyl alcohol is done at __________ °C.

A. 20 - 30

B. < - 5

C. 100 - 150

D. 250 - 300

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Nylon-6 is a

A. Polyamide

B. Thermosetting resin

C. Polyester

D. None of these

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Which of the following coals has the highest calorific value?

A. Lignite

B. Sub-bituminous

C. Anthracite

D. Peat

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Electric bulbs are made of __________ glass.

A. Jena

B. Flint

C. Crookes

D. Pyrex

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Highly porous refractory bricks are

A. Less susceptible to chemical attack by molten fluxes and gases etc

B. Very strong

C. Having very high thermal conductivity

D. None of these

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Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

A. Oxidation of Na⁺ ions

B. Oxidation of Cl^- ions

C. Reduction of Na⁺ ions

D. Reduction of Cl^- ions

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Esterification reaction

A. Produces soap

B. Is reversible

C. Is a reaction between an alcohol and an organic acid

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

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Air used in aerobic fermentation must be sterilized, otherwise the

A. Recovery of product will be difficult

B. Contamination of pure culture would result

C. Uniformity of product cannot be achieved

D. None of these

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Liquor poisoning generally occurs due to the presence of __________ in it.

A. Ethyl alcohol

B. Impurities

C. Methyl alcohol

D. Carbonic acid

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With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

A. Increases

B. Increases linearly

C. Decreases

D. Decreases linearly

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Nylon-6 as compared to Nylon-66 is having higher

A. Hardness

B. Abrasion/resistance

C. Melting point

D. None of these

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__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

A. Phosphates

B. Chromates

C. Sulphates

D. Bi-carbonates

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Accepted Answer

D. None of these

High temperature carbonisation of coal produces

Correct Answer :

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Related Questions

Analgesic drugs are

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

Dehydrogenation of Isopropanol produces

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

Antibiotic

Which is the most suitable dye for synthetic fibres?

Gypsum is chemically

Use of hydrated lime in water treatment

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

Acrylonitrile is mainly used in the __________ industry.

Chrome tanning and vegetable tanning are done for

Aryl benzene sulphonate (ABS) is a

The end bleaching agent used to move last traces of colour bodies from the pulp is

Sucrose is a disaccharide consisting of

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Very fine suspended and colloidal impurities are removed from water by a process called

Dacron is a

Production of alcohol by fermentation of molasses is a/an __________ process.

Fermentation of molasses to produce ethyl alcohol is done at __________ °C.

Nylon-6 is a

Which of the following coals has the highest calorific value?

Electric bulbs are made of __________ glass.

Highly porous refractory bricks are

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

Esterification reaction

Air used in aerobic fermentation must be sterilized, otherwise the

Liquor poisoning generally occurs due to the presence of __________ in it.

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

Nylon-6 as compared to Nylon-66 is having higher

__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

Also checkout

High temperature carbonisation of coal produces

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Analgesic drugs are

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

Dehydrogenation of Isopropanol produces

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

Antibiotic

Which is the most suitable dye for synthetic fibres?

Gypsum is chemically

Use of hydrated lime in water treatment

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

Acrylonitrile is mainly used in the __________ industry.

Chrome tanning and vegetable tanning are done for

Aryl benzene sulphonate (ABS) is a

The end bleaching agent used to move last traces of colour bodies from the pulp is

Sucrose is a disaccharide consisting of

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Very fine suspended and colloidal impurities are removed from water by a process called

Dacron is a

Production of alcohol by fermentation of molasses is a/an __________ process.

Fermentation of molasses to produce ethyl alcohol is done at __________ °C.

Nylon-6 is a

Which of the following coals has the highest calorific value?

Electric bulbs are made of __________ glass.

Highly porous refractory bricks are

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

Esterification reaction

Air used in aerobic fermentation must be sterilized, otherwise the

Liquor poisoning generally occurs due to the presence of __________ in it.

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

Nylon-6 as compared to Nylon-66 is having higher

__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

Also checkout

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