Which of the following is a disaccharide?

Question

Which of the following is a disaccharide?

A. Sucrose

B. Glucose

C. Starch

D. Maltose

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Enzymes are organic catalysts used in the __________ reactions.

A. Chemical

B. Biochemical

C. Photochemical

D. Electrochemical

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Which is the main reducing agent during production of iron from iron ore in a blast furnace?

A. C

B. CO

C. CO₂

D. H₂

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Bleaching action of bleaching powder is due to its __________ properties.

A. Reducing

B. Oxidising

C. Disinfecting

D. None of these

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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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Phosphate rock is a raw material for the manufacture of

A. Phosphoric acid

B. Phosphorous

C. Superphosphates

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

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Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

A. Drying

B. Semi-drying

C. Non-drying

D. None of these

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All enzymes are made of

A. Fats

B. Carbohydrates

C. Proteins

D. Amino acids

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Which glass is usually used in optical work?

A. Lead glass

B. High silica (borosilicate) glass

C. Photo-sensitive glass

D. Fibre glass

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Chloral is used in the manufacture of

A. DDT

B. BHC

C. Parathion

D. None of these

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Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.

A. Coke and sand

B. Brine and coal

C. Coke and caustic soda

D. None of these

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Lime and soda ash are added to water to remove

A. Bicarbonates & sulphates of calcium and magnesium

B. Undesirable taste and odour

C. Bacteria

D. Its corrosiveness

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For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

A. (i) platinum (ii) sulphur

B. (i) palladium (ii) oxygen

C. (i) nickel (ii) sulphur

D. (i) nickel (ii) oxygen

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Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

A. Collagen

B. Tannin

C. Molasses

D. Carbohydrate

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Phenol formaldehyde resin is used as an adhesive in making

A. Laminates

B. Card boxes

C. Furniture

D. Books

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Paper grade bamboo contains about __________ percent cellulose.

A. 5

B. 20

C. 40

D. 60

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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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Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

A. Depithing

B. Digestion

C. Bleaching

D. None of these

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Glycerine is a by-product of the __________ industry.

A. Soap

B. Detergent

C. Oil hydrogenation

D. Paint

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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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Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

A. Reverse osmosis

B. Sand filter

C. Lime soda

D. Permutit

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Digestion of wood-base materials (for manufacture of pulp) is done to

A. Remove lignin

B. Produce long fibres

C. Prevent deterioration on storage

D. None of these

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Styrene-butadiene-rubber (SBR) as compared to natural rubber has

A. Poorer tensile strength

B. Poorer resistance to oxidation

C. Greater amount of heat build-up under heavy loading

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

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Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

A. 10

B. 25

C. 50

D. 98

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Plasticisers are added to paints to

A. Make it corrosion resistant

B. Make glossy surface

C. Give elasticity & prevent cracking of the film

D. Increase atmospheric oxidation

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Calcination of limestone is not done in a __________ kiln for producing lime.

A. Vertical shaft

B. Rotary

C. Fluidised bed

D. Fixed bed

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Starting material for the production of butadiene in India is

A. Naphthalene

B. Benzol

C. Ethyl alcohol

D. Phthalic anhydride

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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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Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

A. Sodium silicate

B. Sodium borate

C. Sodium tripolyphosphate (STPP)

D. Caustic soda

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Sand and __________ is fused at 1300°C, to produce sodium silicate.

A. Limestone

B. Soda ash

C. Coke

D. Sodium sulphate

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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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Accepted Answer

A. Sucrose

Which of the following is a disaccharide?

Correct Answer :

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Related Questions

Enzymes are organic catalysts used in the __________ reactions.

Which is the main reducing agent during production of iron from iron ore in a blast furnace?

Bleaching action of bleaching powder is due to its __________ properties.

Polyvinyl chloride (PVC) is

Phosphate rock is a raw material for the manufacture of

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

All enzymes are made of

Which glass is usually used in optical work?

Chloral is used in the manufacture of

Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.

Lime and soda ash are added to water to remove

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

Phenol formaldehyde resin is used as an adhesive in making

Paper grade bamboo contains about __________ percent cellulose.

Producer gas consists mainly of

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

Glycerine is a by-product of the __________ industry.

DDT stands for

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Digestion of wood-base materials (for manufacture of pulp) is done to

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

Plasticisers are added to paints to

Calcination of limestone is not done in a __________ kiln for producing lime.

Starting material for the production of butadiene in India is

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

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

Sand and __________ is fused at 1300°C, to produce sodium silicate.

__________ is the major constituent of the Portland cement.

Also checkout

Which of the following is a disaccharide?

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Enzymes are organic catalysts used in the __________ reactions.

Which is the main reducing agent during production of iron from iron ore in a blast furnace?

Bleaching action of bleaching powder is due to its __________ properties.

Polyvinyl chloride (PVC) is

Phosphate rock is a raw material for the manufacture of

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

All enzymes are made of

Which glass is usually used in optical work?

Chloral is used in the manufacture of

Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.

Lime and soda ash are added to water to remove

For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison.

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

Phenol formaldehyde resin is used as an adhesive in making

Paper grade bamboo contains about __________ percent cellulose.

Producer gas consists mainly of

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

Glycerine is a by-product of the __________ industry.

DDT stands for

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Digestion of wood-base materials (for manufacture of pulp) is done to

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

Plasticisers are added to paints to

Calcination of limestone is not done in a __________ kiln for producing lime.

Starting material for the production of butadiene in India is

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

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

Sand and __________ is fused at 1300°C, to produce sodium silicate.

__________ is the major constituent of the Portland cement.

Also checkout

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.