Glauber's salt is chemically represented by

Question

Glauber's salt is chemically represented by

A. Na₂SO₄.10H₂O

B. CaCl(OCl)

C. CaSO₄.H₂O

D. (NH₄)₂SO₄

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Shrinkage volume in cement setting does not depend upon the

A. Sand to cement ratio

B. Water to cement ratio

C. Ambient temperature fluctuation

D. Drying period

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Fat splitting catalyst is

A. CaCO₃

B. ZnO

C. Al₂O₃

D. Fe

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Synthetic glycerine is produced from

A. Toluene

B. Phenol

C. Propylene

D. Naphthalene

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Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.

A. Lead

B. Borosilicate

C. Soda lime

D. Alkali silicate

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Pick out the wrong statement.

A. Fibrillation of fibre during paper manufacture is done to develop the strength in paper

B. Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate number

C. Bagasse fibre contains both lignin & cellulose

D. Presence of sodium sulphate in pulp makes the pulp bleachability poor

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CaCl(OCl) is the chemical formula of

A. Hypo

B. Bleaching powder

C. Plaster of Paris

D. Aqua regia

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The catalyst used in shift converter is

A. Nickel

B. Vanadium

C. Silica gel

D. Alumina

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Commercial production of calcium carbide requires limestone and __________ as raw materials.

A. Coke

B. Sand

C. Soda ash

D. Fuel oil

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Producer gas consists mainly of

A. CO, CO₂ N₂, H₂

B. CO, H₂

C. H₂, CH₄

D. C₂H₂, CO₂, H₂

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Polyvinyl chloride (PVC) is

A. A thermosetting material

B. A condensation polymerisation product

C. Made by employing emulsion polymerisation

D. None of these

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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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Which of the following is a detergent?

A. Fatty alcohol

B. Alkyl benzene sulphonate (ABS)

C. Fatty acids

D. Methylene chloride

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__________ is a thermosetting plastic.

A. Polythene

B. Epoxy polymer

C. P.V.C.

D. Polystyrene

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Calcination of gypsum produces

A. Plaster of Paris

B. Salt cake

C. Nitre cake

D. Lime

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Which of the following sugars is the sweetest?

A. Glucose

B. Fructose

C. Sucrose

D. Lactose

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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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Separation of fresh water from sea water can be done by the __________ operation.

A. Osmosis

B. Reverse osmosis

C. Absorption

D. Adsorption

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Catalytic oxidation of naphthalene produces

A. Styrene

B. Phenol

C. Phthalic anhydride

D. None of these

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Which of the following is an unsaturated fatty acid?

A. Lauric acid

B. Palmitic acid

C. Stearic acid

D. Oleic acid

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Fire clay is __________ refractory material.

A. A basic

B. An acidic

C. A neutral

D. Not a

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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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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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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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Mannheim furnace is used in the manufacture of

A. Hydrochloric acid

B. H₂SO₄ by Chamber process

C. Calcium carbide

D. Corundum

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Economics of 'Solvay Process' depends upon the efficiency of

A. Carbonating tower

B. Ammonia recovery

C. Ammonia recovery and size of the plant

D. Ammoniation of salt solution

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Hydrazine is used in water treatment for the removal of

A. Colloidal impurities

B. Dissolved oxygen

C. Turbidity

D. Chlorinous taste

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Rotary kiln is not involved in the production of

A. Cement

B. Lime from limestone

C. Slaked lime from quick lime

D. None of these

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The function of gypsum addition during cement making is to

A. Increase the density of cement

B. Decrease the cement setting rate

C. Both (A) and (B)

D. Neither (A) nor (B)

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Hydrazine is largely used

A. As a starting material for 'hypo'

B. In photographic industry

C. As rocket fuel

D. In printing industry

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Salt cake is chemically represented by

A. Na₂SO₄

B. CaSO₄. ½H₂O

C. MgSO₄

D. BaSO₄

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Accepted Answer

A. Na₂SO₄.10H₂O

Glauber's salt is chemically represented by

Correct Answer :

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Related Questions

Shrinkage volume in cement setting does not depend upon the

Fat splitting catalyst is

Synthetic glycerine is produced from

Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.

Pick out the wrong statement.

CaCl(OCl) is the chemical formula of

The catalyst used in shift converter is

Commercial production of calcium carbide requires limestone and __________ as raw materials.

Producer gas consists mainly of

Polyvinyl chloride (PVC) is

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

Which of the following is a detergent?

__________ is a thermosetting plastic.

Calcination of gypsum produces

Which of the following sugars is the sweetest?

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

Separation of fresh water from sea water can be done by the __________ operation.

Catalytic oxidation of naphthalene produces

Which of the following is an unsaturated fatty acid?

Fire clay is __________ refractory material.

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

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

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.

Mannheim furnace is used in the manufacture of

Economics of 'Solvay Process' depends upon the efficiency of

Hydrazine is used in water treatment for the removal of

Rotary kiln is not involved in the production of

The function of gypsum addition during cement making is to

Hydrazine is largely used

Salt cake is chemically represented by

Also checkout

Glauber's salt is chemically represented by

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Shrinkage volume in cement setting does not depend upon the

Fat splitting catalyst is

Synthetic glycerine is produced from

Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.

Pick out the wrong statement.

CaCl(OCl) is the chemical formula of

The catalyst used in shift converter is

Commercial production of calcium carbide requires limestone and __________ as raw materials.

Producer gas consists mainly of

Polyvinyl chloride (PVC) is

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

Which of the following is a detergent?

__________ is a thermosetting plastic.

Calcination of gypsum produces

Which of the following sugars is the sweetest?

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

Separation of fresh water from sea water can be done by the __________ operation.

Catalytic oxidation of naphthalene produces

Which of the following is an unsaturated fatty acid?

Fire clay is __________ refractory material.

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

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

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.

Mannheim furnace is used in the manufacture of

Economics of 'Solvay Process' depends upon the efficiency of

Hydrazine is used in water treatment for the removal of

Rotary kiln is not involved in the production of

The function of gypsum addition during cement making is to

Hydrazine is largely used

Salt cake is chemically represented by

Also checkout

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.