Which is the most efficient absorbent for SO₃ out of the following?

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Which is the most efficient absorbent for SO₃ out of the following?

A. 20% oleum

B. 65% oleum

C. 78% H₂SO₄

D. 98% H₂SO₄

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Calgon used in water treatment is chemically

A. Sodium phosphate

B. Sodium hexametaphosphate

C. Calcium phosphate

D. Tricresyl phosphate

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Solvent used for extraction of oil is

A. Hexane

B. Methyl ethyl ketone

C. Furfural

D. None of these

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High purity nitrogen is used in

A. Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils

B. Fire fighting purposes

C. Both (A) & (B)

D. Neither (A) nor (B)

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Viscose rayon

A. Cannot be made from sulphite pulp

B. Utilises H₂SO₄, NaOH and CS₂ during its manufacture

C. Cannot yield textile grade fibre

D. None of these

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Massecuite is

A. Used for paper making

B. Used as a cattle feed

C. Highly acidic in nature

D. None of these

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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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Oils and fats are converted to soap in a process called

A. Hydrogenation

B. Esterification

C. Saponification

D. None of these

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Builders are added in soap to act as

A. Cleaning power booster

B. Anti-redeposition agent

C. Corrosion inhibitor

D. Fabric brightener

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Alkylbenzene sulfonate (ABS) is a

A. Detergent

B. Rubber

C. Pesticide

D. Polyester

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Fish contains about __________ percent oil.

A. 5

B. 10

C. 20

D. 35

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A mineral is termed as 'ore', if

A. A metal can be economically extracted from it

B. It contains ≥ 40% metal

C. The metal present in it is costly

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

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Fluorescent dyes are added in detergents to

A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics

B. Attain distinctiveness from other brands

C. Act as tarnish inhibitor for metals like German silver

D. None of these

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CaSO4 . ½H₂O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

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Polycaprolactam is commercially known as

A. Nylon-6

B. Nylon-66

C. Dacron

D. Rayon

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Paper grade bamboo contains about __________ percent cellulose.

A. 5

B. 20

C. 40

D. 60

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Zeolite is a/an

A. Naturally occuring clay which is capable of exchanging cations

B. Abrasive material

C. Catalyst used in shift conversion

D. None of these

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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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Glycerine can be obtained from

A. Fat

B. Naphthalene

C. Cumene

D. Sucrose

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The noble gas which occurs most abundantly in the atmosphere is

A. Helium

B. Neon

C. Krypton

D. Argon

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Kopper-Totzek coal gasifier

A. Can give ammonia synthesis gas (H2 + N2)

B. Is a moving bed reactor

C. Cannot use coking coal

D. Operate at very high pressure

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'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

A. N₂ & H₂

B. CO₂ & H₂

C. CO & H₂

D. C & H₂

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Direct conversion of chemical energy into electrical energy is done in a

A. Magnetohydrodynamic (MHD) generator

B. Fuel cell

C. Fast breeder reactor

D. None of these

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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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Glauber's salt is chemically represented by

A. Na₂SO₄.10H₂O

B. CaCl(OCl)

C. CaSO₄.H₂O

D. (NH₄)₂SO₄

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__________ is produced by the dehydrogenation of ethyl benzene.

A. Styrene

B. Ethyl alcohol

C. Cumene

D. Phenol

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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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__________ is used as a flux in the smelting of copper ore like chalcopyrite.

A. Coke breeze

B. Lime powder

C. Silica/quartz

D. Dolomite

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At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

A. Independent of

B. Directly proportional to

C. Inversely proportional to

D. Proportional to the square of

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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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Pick out the false statement pertaining to water treatment.

A. Aeration of water is effective in CO2 removal

B. The zeolite water softening process reduces the hardness of water by not more than 50%

C. Sodium sulphate or sodium carbonate do not cause hardness in water

D. Water with pH value less than 7, is acidic

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Accepted Answer

D. 98% H₂SO₄

Which is the most efficient absorbent for SO₃ out of the following?

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Calgon used in water treatment is chemically

Solvent used for extraction of oil is

High purity nitrogen is used in

Viscose rayon

Massecuite is

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

Oils and fats are converted to soap in a process called

Builders are added in soap to act as

Alkylbenzene sulfonate (ABS) is a

Fish contains about __________ percent oil.

A mineral is termed as 'ore', if

Fluorescent dyes are added in detergents to

CaSO4 . ½H₂O is known as

Polycaprolactam is commercially known as

Paper grade bamboo contains about __________ percent cellulose.

Zeolite is a/an

Shaving soaps are

Glycerine can be obtained from

The noble gas which occurs most abundantly in the atmosphere is

Kopper-Totzek coal gasifier

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

Direct conversion of chemical energy into electrical energy is done in a

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

Glauber's salt is chemically represented by

__________ is produced by the dehydrogenation of ethyl benzene.

Chemical name of aspirin (an analgesic drug) is

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

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

Pick out the false statement pertaining to water treatment.

Also checkout

Which is the most efficient absorbent for SO3 out of the following?

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Calgon used in water treatment is chemically

Solvent used for extraction of oil is

High purity nitrogen is used in

Viscose rayon

Massecuite is

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

Oils and fats are converted to soap in a process called

Builders are added in soap to act as

Alkylbenzene sulfonate (ABS) is a

Fish contains about __________ percent oil.

A mineral is termed as 'ore', if

Fluorescent dyes are added in detergents to

CaSO4 . ½H2O is known as

Polycaprolactam is commercially known as

Paper grade bamboo contains about __________ percent cellulose.

Zeolite is a/an

Shaving soaps are

Glycerine can be obtained from

The noble gas which occurs most abundantly in the atmosphere is

Kopper-Totzek coal gasifier

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

Direct conversion of chemical energy into electrical energy is done in a

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

Glauber's salt is chemically represented by

__________ is produced by the dehydrogenation of ethyl benzene.

Chemical name of aspirin (an analgesic drug) is

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

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

Pick out the false statement pertaining to water treatment.

Also checkout

Which is the most efficient absorbent for SO₃ out of the following?

CaSO4 . ½H₂O is known as

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