Linde process of gas liquefaction employs

Question

Linde process of gas liquefaction employs

A. Exchange of heat with colder stream

B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

C. Adiabatic expansion against a piston or in a turbine

D. Merely compressing the gas beyond its critical pressure

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Hydrophilic group of a soap or detergent solution is

A. Water hating

B. Soil loving

C. Water loving

D. None of these

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Phenol formaldehyde is produced by condensation polymerisation. It is also known as

A. Teflon

B. Bakelite

C. Polyester

D. Nylon-66

Discuss this answer

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

A. Mechanical

B. Sulphate/Kraft

C. Sulphite

D. Neutral sulphite semi-chemical

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SO2 is bubbled through hot sugar cane juice to

A. Act as an acidifying agent

B. Increase its concentration

C. Increase the amount of molasses

D. Increase the crystal size

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Hydrogenation of oil takes place in a/an __________ reactor.

A. Autothermal

B. Trickle bed

C. Plug flow

D. None of these

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Hydrogenation of edible vegetable oils

A. Is an exothermic reaction

B. Increases their melting point

C. Is done in presence of nickel catalyst

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

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__________ is the major constituent of the Portland cement.

A. Calcium carbonate

B. Calcium oxide

C. Tricalcium silicate

D. Calcium sulphate

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Percentage of alcohol in beer may be around __________ percent.

A. 2-8

B. 18-23

C. 27-32

D. 1-4

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Which allotrope of sulphur is insoluble in carbon disulphide?

A. Rhombic sulphur

B. Monoclinic sulphur

C. Plastic sulphur

D. Milk of sulphur

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Terylene is

A. Same as Dacron

B. A polyester

C. Both (A) & (B)

D. Neither (A) nor (B)

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White phosphorous is stored under water, because

A. It does not react with water

B. It is poisonous

C. Its kindling temperature in dry air is very low

D. It is unstable

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

A. 25

B. 60-70

C. 150-200

D. 250-300

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Sucrose is a

A. Monosaccharide

B. Disaccharide

C. Polysaccharide

D. None of these

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Wax is a

A. Mixture of glycerides

B. Mixture of esters of polyhydric alcohols excepting glycerine

C. Liquid at room temperature

D. Mixture of glycerides of fatty acids

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Low temperature carbonisation of coal takes place at __________ °C.

A. 300

B. 1100

C. 700

D. 900

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Flux addition during smelting of ore is done to

A. Remove impurities/gangue

B. Enhance rate of reaction

C. Accelerate reduction of ore

D. Separate slag from metal

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Viscose rayon is chemically

A. Cellulose nitrate

B. Regenerated cellulose nitrate

C. Cellulose acetate

D. Regenerated cellulose acetate

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The main product of high temperature carbonisation of coal is

A. Coke

B. Ammonia

C. Tar

D. Phenol

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Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

A. Colour

B. Turbidity

C. Bacteria

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

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Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by

A. Iron-steam reaction

B. Electrolysis of water

C. Steam reforming of naphtha

D. Its cryogenic separation from coke oven gas

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Pick out the wrong statement.

A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag

B. Portland cement is made employing wet process

C. Gypsum is added to Portland cement to lengthen its setting time

D. None of these

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Main use of hydrazine is

A. As a rocket fuel

B. In water treatment

C. As a disinfectant

D. As fire retardant

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Which of the following is not a food additive?

A. Citric acid

B. Invertage

C. Benzoyl peroxide

D. Ammonium chloride

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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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Average sulphur content in Indian pyrites is about __________ percent.

A. 15

B. 35

C. 55

D. 70

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Which of the following is an ore of iron?

A. Galena

B. Chalcopyrite

C. Hematite

D. Bauxite

Discuss this answer

Pick out the wrong statement.

A. Kraft method of pulp manufacture can process all types of fibrous raw materials

B. Digestion time for bagasse is less than that for wood base materials

C. Both temperature and pressure in the digestor is less in case of the sulphite method as compared to that in the sulphate method

D. None of these

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Catalyst used during the manufacture of 'Vanaspati Ghee' is

A. Zinc

B. Nickel

C. Platinum

D. Copper

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

A. 5

B. 30

C. 130

D. 300

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Plaster of Paris is

A. CaSO₄. ½H₂O

B. Used for setting of broken bones

C. Both (A) and (B)

D. Same as gypsum

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Accepted Answer

B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

Linde process of gas liquefaction employs

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Hydrophilic group of a soap or detergent solution is

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

SO2 is bubbled through hot sugar cane juice to

Hydrogenation of oil takes place in a/an __________ reactor.

Hydrogenation of edible vegetable oils

__________ is the major constituent of the Portland cement.

Percentage of alcohol in beer may be around __________ percent.

Which allotrope of sulphur is insoluble in carbon disulphide?

Terylene is

White phosphorous is stored under water, because

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

Sucrose is a

Wax is a

Low temperature carbonisation of coal takes place at __________ °C.

Flux addition during smelting of ore is done to

Viscose rayon is chemically

The main product of high temperature carbonisation of coal is

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by

Pick out the wrong statement.

Main use of hydrazine is

Which of the following is not a food additive?

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?

Average sulphur content in Indian pyrites is about __________ percent.

Which of the following is an ore of iron?

Pick out the wrong statement.

Catalyst used during the manufacture of 'Vanaspati Ghee' is

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

Plaster of Paris is

Also checkout

Linde process of gas liquefaction employs

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Hydrophilic group of a soap or detergent solution is

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

SO2 is bubbled through hot sugar cane juice to

Hydrogenation of oil takes place in a/an __________ reactor.

Hydrogenation of edible vegetable oils

__________ is the major constituent of the Portland cement.

Percentage of alcohol in beer may be around __________ percent.

Which allotrope of sulphur is insoluble in carbon disulphide?

Terylene is

White phosphorous is stored under water, because

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

Sucrose is a

Wax is a

Low temperature carbonisation of coal takes place at __________ °C.

Flux addition during smelting of ore is done to

Viscose rayon is chemically

The main product of high temperature carbonisation of coal is

Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove

Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by

Pick out the wrong statement.

Main use of hydrazine is

Which of the following is not a food additive?

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?

Average sulphur content in Indian pyrites is about __________ percent.

Which of the following is an ore of iron?

Pick out the wrong statement.

Catalyst used during the manufacture of 'Vanaspati Ghee' is

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

Plaster of Paris is

Also checkout

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove