Glass is

Question

Glass is

A. Mainly CaO

B. Subjected to galvanising

C. A super cooled liquid

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

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Fat splitting catalyst is

A. CaCO₃

B. ZnO

C. Al₂O₃

D. Fe

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Flexible foam (for mattresses) is usually made of

A. PVC

B. Silicone

C. Polyurethanes

D. Polyamides

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In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

A. (NH₄)₂SO₄

B. NH₄Cl

C. (NH₄)₂ NO₃

D. Liquid NH₃

Discuss this answer

Dehydrogenation of ethyl benzene produces

A. Styrene

B. Naphthalene

C. Phenol

D. Benzoic acid

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

A. 5

B. 30

C. 130

D. 300

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Which of the following, when pyrolysed, produces Perchloroethylene?

A. Ethylene dichloride

B. Chlorobenzene

C. Carbon tetrachloride

D. Chlorinated paraffin

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Highly porous refractory bricks are

A. Less susceptible to chemical attack by molten fluxes and gases etc

B. Very strong

C. Having very high thermal conductivity

D. None of these

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Molecular weight of plastics ranges from

A. 5000 to 10000

B. 20000 to 250000

C. 500 to 5000

D. 106 to 109

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Sudden temperature fluctuation does not affect pyrex glass, because of its

A. Low co-efficient of expansion

B. High co-efficient of expansion

C. High melting point

D. Both (B) and (C)

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Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

A. 1 - 2

B. 15 - 20

C. 50 - 60

D. 80 - 85

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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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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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__________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.

A. Bauxite

B. Limestone

C. Quartz

D. Manganese

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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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Which of the following sugars is the sweetest?

A. Glucose

B. Fructose

C. Sucrose

D. Lactose

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Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

A. Emulsification

B. Dispersion

C. Precipitation

D. Wetting

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Neoprene is chemically known as

A. Polybutadiene

B. Styrene butadiene rubber (SBR)

C. Polyurethane

D. Polychlorophrene

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Coke used for the production of calcium carbide should have

A. Low ash content

B. Low ignition temperature

C. High electrical resistivity

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

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Nylon-6 is manufactured from

A. Caprolactam

B. Hexamethylene diamine and adipic acid

C. Hexamethylene diamine and Maleic anhydride

D. Hexamethylene diamine and Sebacic acid

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Na₂CO₃.10H₂O is called

A. Washing soda

B. Soda ash

C. Slaked lime

D. Quicklime

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__________ is an ore of lead.

A. Quartz

B. Galena

C. Siderite

D. Chalcopyrite

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Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

A. Fertiliser manufacture

B. Car battery solution

C. Synthesis of oleum

D. Water treatment

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Proximate analysis of coal determines its __________ content.

A. Moisture, ash, sulphur & volatile matter

B. Moisture & volatile matter

C. Moisture, sulphur, nitrogen & fixed carbon

D. None of these

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Hard water

A. Does not affect the lather formation by soap

B. Is not unfit for drinking purpose

C. Pollutes the water stream

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

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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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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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Pick out the wrong statement.

A. Azoic dyes are mostly applied on cotton fabrics

B. Basic dyes (e.g. amino derivatives) are applied mostly to paper

C. Mordant dyes are applied mainly to wools

D. None of these

Discuss this answer

Soap cannot be used with hard water, because

A. Hard water contains sulphate

B. They form insoluble calcium soaps which precipitate

C. They attract back the removed dirt

D. None of these

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Chemical formula of 'salt cake' is

A. Na₂SO₄

B. CaSO₄

C. MgSO₄

D. BaSO₄

Discuss this answer

Accepted Answer

C. A super cooled liquid

Glass is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Fat splitting catalyst is

Flexible foam (for mattresses) is usually made of

In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

Dehydrogenation of ethyl benzene produces

Terylene is

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

Which of the following, when pyrolysed, produces Perchloroethylene?

Highly porous refractory bricks are

Molecular weight of plastics ranges from

Sudden temperature fluctuation does not affect pyrex glass, because of its

Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

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

Shrinkage volume in cement setting does not depend upon the

__________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.

The main product of high temperature carbonisation of coal is

Which of the following sugars is the sweetest?

Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

Neoprene is chemically known as

Coke used for the production of calcium carbide should have

Nylon-6 is manufactured from

Na₂CO₃.10H₂O is called

__________ is an ore of lead.

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

Proximate analysis of coal determines its __________ content.

Hard water

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.).

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

Pick out the wrong statement.

Soap cannot be used with hard water, because

Chemical formula of 'salt cake' is

Also checkout

Glass is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Fat splitting catalyst is

Flexible foam (for mattresses) is usually made of

In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

Dehydrogenation of ethyl benzene produces

Terylene is

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

Which of the following, when pyrolysed, produces Perchloroethylene?

Highly porous refractory bricks are

Molecular weight of plastics ranges from

Sudden temperature fluctuation does not affect pyrex glass, because of its

Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

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

Shrinkage volume in cement setting does not depend upon the

__________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.

The main product of high temperature carbonisation of coal is

Which of the following sugars is the sweetest?

Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

Neoprene is chemically known as

Coke used for the production of calcium carbide should have

Nylon-6 is manufactured from

Na2CO3.10H2O is called

__________ is an ore of lead.

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

Proximate analysis of coal determines its __________ content.

Hard water

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.).

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

Pick out the wrong statement.

Soap cannot be used with hard water, because

Chemical formula of 'salt cake' is

Also checkout

Na₂CO₃.10H₂O is called