Raw materials for 'Solvay Process' for manufacture of the soda ash are

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Raw materials for 'Solvay Process' for manufacture of the soda ash are

A. Salt, limestone and coke or gas

B. Ammonia, salt and limestone

C. Ammonia limestone and coke

D. None of these

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Enzymes are organic catalysts used in the __________ reactions.

A. Chemical

B. Biochemical

C. Photochemical

D. Electrochemical

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Molecular weights of polymers are in the range of

A. 10² - 10²

B. 10⁵ - 10⁹

C. 10² - 10⁷

D. 10⁹ - 10¹¹

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The most economical pulp for the production of newsprint would be the __________ pulp.

A. Ground-wood

B. Sulphate

C. Sulphite

D. Semi-chemical

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Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

A. Drying

B. Semi-drying

C. Non-drying

D. None of these

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Metallic soap is __________ salt of fatty acids.

A. Sodium

B. Potassium

C. Both sodium & potassium

D. Aluminium or calcium

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A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

A. 1

B. 10

C. 25

D. 40

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Rosin soap is added during paper manufacture to

A. Impart adhesive properties

B. Improve opacity

C. Impart resistance to penetration by liquids

D. None of these

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Extraction of __________ employs an electrolytic process.

A. Aluminium

B. Silver

C. Copper

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

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Raw material used in alcohol distilleries in India is

A. Molasses

B. Benzol

C. Methylated spirit

D. None of these

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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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Which glass is usually used in optical work?

A. Lead glass

B. High silica (borosilicate) glass

C. Photo-sensitive glass

D. Fibre glass

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Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of

A. Nitric acid

B. Hydrochloric acid

C. Methyl alcohol

D. Formic acid

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Hydrogenation of oil does not

A. Remove double bonds

B. Raise its melting point

C. Improve its resistance to oxidation

D. None of these

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Penicillin is made employing __________ fermentation process.

A. Continuous

B. Aerobic batch

C. Anaerobic batch

D. None of these

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Bakelite is

A. Same as Polytetrafluoroethylene (PTFE)

B. An inorganic polymer

C. Same as thermosetting phenol-formaldehyde

D. Not a polymer

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Solvay process as compared to dual process
(i.e. modified Solvay process).

A. Can use low grade brine

B. Has less corrosion problems

C. Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl

D. Both (B) and (C)

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__________ of rubber decreases after its vulcanisation.

A. Resistance to the action of organic solvent

B. Tackiness

C. Maximum service temperature

D. Tensile strength

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Shaving soaps are

A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a lasting property

B. Metallic soaps compounded with frothing agents

C. High free alkali soaps having excess of cane sugar and alcohol

D. None of these

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Cellulose percentage in bamboo fibre is about

A. 10

B. 20

C. 50

D. 85

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Potassium is kept & transported under

A. Water

B. Liquid ammonia

C. Kerosene oil

D. Alcohol

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Digestion of wood-base materials (for manufacture of pulp) is done to

A. Remove lignin

B. Produce long fibres

C. Prevent deterioration on storage

D. None of these

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Starting material for the commercial production of ethyl alcohol in India is

A. Rice

B. Molasses

C. Fruit of Mahua tree

D. Maize

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The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A. 800

B. 1600

C. 4000

D. 8500

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Pure rectified spirit contains about __________ percent alcohol.

A. 45

B. 70

C. 95

D. 99.5

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Poly Tetrafluoroethylene (P.T.F.E.) is known as

A. Bakelite

B. Teflon

C. Celluloid

D. Dacron

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Sea weeds are an important source of

A. Fluorine

B. Chlorine

C. Bromine

D. Iodine

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Chemical name of aspirin (an analgesic drug) is

A. Acetylsalicylic acid

B. Nictonic acid

C. Calcium acetate

D. Methyl salicylate

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Sodium carbonate (soda ash) is not used in the manufacture of

A. Fire extinguishers

B. Sugar

C. Baking powder

D. Detergents

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Which of the following is not produced on commercial scale from sea water?

A. Bromine

B. Magnesium compounds

C. Potassium compounds

D. Sodium sulphate

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__________ is not a constituent of gun powder.

A. Carbon

B. Charcoal

C. Sulphur

D. Potassium nitrate

Discuss this answer

Accepted Answer

A. Salt, limestone and coke or gas

Raw materials for 'Solvay Process' for manufacture of the soda ash are

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Enzymes are organic catalysts used in the __________ reactions.

Molecular weights of polymers are in the range of

The most economical pulp for the production of newsprint would be the __________ pulp.

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

Metallic soap is __________ salt of fatty acids.

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Rosin soap is added during paper manufacture to

Extraction of __________ employs an electrolytic process.

Raw material used in alcohol distilleries in India is

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

Which glass is usually used in optical work?

Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of

Hydrogenation of oil does not

Penicillin is made employing __________ fermentation process.

Bakelite is

Solvay process as compared to dual process
(i.e. modified Solvay process).

__________ of rubber decreases after its vulcanisation.

Shaving soaps are

Cellulose percentage in bamboo fibre is about

Potassium is kept & transported under

Digestion of wood-base materials (for manufacture of pulp) is done to

Starting material for the commercial production of ethyl alcohol in India is

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

Pure rectified spirit contains about __________ percent alcohol.

Poly Tetrafluoroethylene (P.T.F.E.) is known as

Sea weeds are an important source of

Chemical name of aspirin (an analgesic drug) is

Sodium carbonate (soda ash) is not used in the manufacture of

Which of the following is not produced on commercial scale from sea water?

__________ is not a constituent of gun powder.

Also checkout

Raw materials for 'Solvay Process' for manufacture of the soda ash are

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Enzymes are organic catalysts used in the __________ reactions.

Molecular weights of polymers are in the range of

The most economical pulp for the production of newsprint would be the __________ pulp.

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

Metallic soap is __________ salt of fatty acids.

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Rosin soap is added during paper manufacture to

Extraction of __________ employs an electrolytic process.

Raw material used in alcohol distilleries in India is

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

Which glass is usually used in optical work?

Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of

Hydrogenation of oil does not

Penicillin is made employing __________ fermentation process.

Bakelite is

Solvay process as compared to dual process(i.e. modified Solvay process).

__________ of rubber decreases after its vulcanisation.

Shaving soaps are

Cellulose percentage in bamboo fibre is about

Potassium is kept & transported under

Digestion of wood-base materials (for manufacture of pulp) is done to

Starting material for the commercial production of ethyl alcohol in India is

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.

Pure rectified spirit contains about __________ percent alcohol.

Poly Tetrafluoroethylene (P.T.F.E.) is known as

Sea weeds are an important source of

Chemical name of aspirin (an analgesic drug) is

Sodium carbonate (soda ash) is not used in the manufacture of

Which of the following is not produced on commercial scale from sea water?

__________ is not a constituent of gun powder.

Also checkout

Solvay process as compared to dual process
(i.e. modified Solvay process).

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.