Triple superphosphate is manufactured by reacting

Question

Triple superphosphate is manufactured by reacting

A. Phosphate rock with phosphoric acid

B. Phosphate rock with sulphuric acid

C. Phosphate rock with nitric acid

D. Ammonium phosphate with phosphoric acid

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Thorium is mainly used

A. For the manufacture of gas mantles

B. As a fissile fuel in a nuclear reactor

C. In the manufacture of hydrogen bomb

D. In the treatment of cancer

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The ideal pulp for the manufacture of paper should have high __________ content.

A. Cellulose

B. Lignin

C. Both (A) & (B)

D. None of these

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What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

A. Cl₂ & Na

B. Cl₂ & H₂

C. O₂ & H₂

D. Cl₂, H₂ & NaOH solution

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__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

A. Oxidising

B. Reducing

C. Complex forming

D. Photochemical

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An alkali metal salt of Palmitic acid is known as

A. Soap

B. Metallic soap

C. Detergent

D. Alkaloid

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During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

A. It is very corrosive at elevated temperature

B. Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)

C. It decomposes on further increasing the temperature

D. None of these

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Finely ground calcium aluminate & silicate is a/an

A. Cermet

B. Cement

C. Abrasive

D. Explosive

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Penicillin, an antibiotic drug was discovered by

A. Alexander

B. Flaming

C. Doctor Zhivago

D. None of these

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Inversion of sucrose produces

A. Fructose

B. Glucose

C. Both (A) & (B)

D. Neither (A) nor (B)

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Pick out the wrong statement.

A. DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction

B. Chloral is obtained by the chlorination of ethyl alcohol

C. Insecticides acting on the insects through the respiratory system are called fumigants

D. Benzene hexachloride is not a contact insecticide

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DDT should not be allowed to come in contact with iron (during its manufacture) to

A. Avoid its decomposition

B. Prevent sulphonation of the monochlorobenzene by the acid catalyst

C. Achieve non-hygroscopic property

D. None of these

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In the Solvay process, the product from the calciner is

A. Light soda ash

B. Dense soda ash

C. Sodium bicarbonate

D. Dehydrated soda ash

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Reaction of calcium carbide with water produces a gas, which is used

A. As an illuminant

B. For metal cutting/welding

C. Both (A) & (B)

D. Neither (A) nor (B)

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In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

A. Sodium sulphide & sodium carbonate

B. Sodium sulphite & sodium carbonate

C. Sodium sulphite & sodium sulphide

D. None of these

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Stereospecific agents are exemplified by

A. Radiation

B. Supported metal oxide catalysts

C. Ziegler catalysts

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

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Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

A. 1 atm & 100°C

B. 5 atm & 275°C

C. 100 atm & 500°C

D. 50 atm & 1000°C

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Paper grade bamboo contains about __________ percent cellulose.

A. 5

B. 20

C. 40

D. 60

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Which of the following is not produced commercially from sea water?

A. Magnesium & potassium compounds

B. Common salt

C. Bromine

D. Iodine

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Which one of the following is not an elastomer?

A. Polyisoprene

B. Neoprene

C. Nitrile-butadiene

D. None of these

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Ca(OH)₂ is called

A. Quicklime

B. Slaked lime

C. Limestone

D. Gypsum

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Fourdrinier machine is used in the manufacture of

A. Sugar

B. Paper

C. Alcohol from molasses

D. Phenol formaldehyde

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One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

A. Adjust the pH of the syrup

B. Remove the coloring matter from the syrup

C. Reduce the viscosity of the syrup

D. Improve the rate of crystallisation of sugar

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Pick out the wrong statement.

A. Wine, rum & Vodka are prepared by the formulation of fruit juice, sugar beet & rye respectively

B. Protein catalysts are called enzymes

C. The rate of chemical reaction is independent of the concentration of reactants at high concentration of enzymes

D. Total sugar content in molasses is about 10%

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Maleic anhydride is produced by catalytic oxidation of

A. Toluene

B. Ethyl alcohol

C. Naphthalene

D. Benzene

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Phosphoric acid is prepared from

A. Cryolite

B. Chalcopyrite

C. Rock phosphate

D. None of these

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__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.

A. Pyrex

B. Soda lime

C. Lead

D. High silica

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Riboflavin is a/an

A. Vitamin

B. Analgesic drug

C. Anaesthetics

D. Anti-malarial drug

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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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DDT stands for

A. Diethyl-diphenyl-trichloromethane

B. Dichloro-diphenyl-trichloromethane

C. diphenyl-dichloro-trichloromethane

D. Dichloro-diphenyl-trichloroethane

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'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

A. Final rolling out of paper

B. Cutting of fibres

C. Hydration of fibres

D. Fibrillation of fibre

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Accepted Answer

A. Phosphate rock with phosphoric acid

Triple superphosphate is manufactured by reacting

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Thorium is mainly used

The ideal pulp for the manufacture of paper should have high __________ content.

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

An alkali metal salt of Palmitic acid is known as

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

Finely ground calcium aluminate & silicate is a/an

Penicillin, an antibiotic drug was discovered by

Inversion of sucrose produces

Pick out the wrong statement.

DDT should not be allowed to come in contact with iron (during its manufacture) to

In the Solvay process, the product from the calciner is

Reaction of calcium carbide with water produces a gas, which is used

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

Stereospecific agents are exemplified by

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

Paper grade bamboo contains about __________ percent cellulose.

Which of the following is not produced commercially from sea water?

Which one of the following is not an elastomer?

Ca(OH)₂ is called

Fourdrinier machine is used in the manufacture of

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Pick out the wrong statement.

Maleic anhydride is produced by catalytic oxidation of

Phosphoric acid is prepared from

__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.

Riboflavin is a/an

High purity nitrogen is used in

DDT stands for

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Also checkout

Triple superphosphate is manufactured by reacting

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Thorium is mainly used

The ideal pulp for the manufacture of paper should have high __________ content.

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

An alkali metal salt of Palmitic acid is known as

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

Finely ground calcium aluminate & silicate is a/an

Penicillin, an antibiotic drug was discovered by

Inversion of sucrose produces

Pick out the wrong statement.

DDT should not be allowed to come in contact with iron (during its manufacture) to

In the Solvay process, the product from the calciner is

Reaction of calcium carbide with water produces a gas, which is used

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

Stereospecific agents are exemplified by

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

Paper grade bamboo contains about __________ percent cellulose.

Which of the following is not produced commercially from sea water?

Which one of the following is not an elastomer?

Ca(OH)2 is called

Fourdrinier machine is used in the manufacture of

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Pick out the wrong statement.

Maleic anhydride is produced by catalytic oxidation of

Phosphoric acid is prepared from

__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.

Riboflavin is a/an

High purity nitrogen is used in

DDT stands for

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Also checkout

Ca(OH)₂ is called