Fats as compared to oils have

Question

Fats as compared to oils have

A. More unsaturated glycerides of fatty acids

B. Less unsaturated glycerides of fatty acids

C. Much higher reactivity to oxygen

D. Lower melting point

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Sizing material is incorporated in paper to

A. Impart resistance to penetration by liquids

B. Increase its thickness

C. Increase its flexibility & opacity

D. Increase its brightness

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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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Use of water having dissolved oxygen in boilers promotes

A. Corrosion

B. Sequestration

C. Scale formation

D. None of these

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Raw materials used for producing __________ cement does not contain iron oxide.

A. Waterproof

B. Slag

C. White

D. Pozzolan

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Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

A. 0.14

B. 0.34

C. 0.94

D. 1.4

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Absorption of SO3 in 97% H2SO4 is

A. Exothermic

B. Endothermic

C. Not possible

D. None of these

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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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Calgon used in water treatment is chemically

A. Sodium phosphate

B. Sodium hexametaphosphate

C. Calcium phosphate

D. Tricresyl phosphate

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A bio-catalyst produced by living cells which acts independent of the cell is called a/an

A. Substrate

B. Enzyme

C. Nutrient

D. None of these

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Styrene (a monomer for the production of polystyrene) is commercially produced by

A. Catalytic dehydrogenation of ethyl benzene

B. Dehydration of ethyl alcohol followed by hydrogenation

C. Reacting ethylene oxide with acetaldehyde

D. Fermentation of starch

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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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Glauber's salt is chemically represented by

A. Na₂SO₄.10H₂O

B. CaCl(OCl)

C. CaSO₄.H₂O

D. (NH₄)₂SO₄

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Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

A. Has larger production capacity per unit cell

B. Consumes less power per ton of Cl2 produced

C. Produces high purity (70%) caustic soda directly

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

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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

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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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Chemical formula of BHC, which is an insecticide is

A. C₆H₆Cl₆

B. C₆Cl₆

C. C₆H₅Cl

D. C₆H₄Cl₂

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The most economical pulp for the production of newsprint would be the __________ pulp.

A. Ground-wood

B. Sulphate

C. Sulphite

D. Semi-chemical

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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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Dehydrogenation of ethyl benzene produces

A. Styrene

B. Naphthalene

C. Phenol

D. Benzoic acid

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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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Which of the following is not a pyrite ore?

A. Celestite

B. Galena

C. Gypsum

D. Siderite

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Enzymes are

A. Proteins with high molecular weight (around 10,000)

B. Derived from living organisms

C. Catalyst for temperature sensitive reactions

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

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Starting raw material for the manufacture of alum is

A. Alumina

B. Gypsum

C. Bauxite

D. Ammonium bicarbonate

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A mixture of chlorine & sodium bromide acts as a/an

A. Insecticides

B. Analgesic drug

C. Fire retardant

D. Hydrogenation catalyst

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Polycaprolactam is commercially known as

A. Nylon-6

B. Nylon-66

C. Dacron

D. Rayon

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Fusel oil is a/an

A. Essential oil

B. Extract from medicinal herbs

C. Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).

D. None of these

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Which of the following is an explosive?

A. Nitro-glycerine

B. Trinitrotoluene (TNT)

C. Cellulose nitrate

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

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Oxygen is produced by fractionation of air using __________ process.

A. Linde's

B. Claude's

C. Either (A) or (B)

D. None of these

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The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

A. Alumina

B. Silica gel

C. Platinum

D. Nickel

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The biochemical treatment applied to sewage effluents is a process of

A. Dehydration

B. Reduction

C. Oxidation

D. Polymerisation

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Accepted Answer

B. Less unsaturated glycerides of fatty acids

Fats as compared to oils have

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Sizing material is incorporated in paper to

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

Use of water having dissolved oxygen in boilers promotes

Raw materials used for producing __________ cement does not contain iron oxide.

Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

Absorption of SO3 in 97% H2SO4 is

Pick out the wrong statement.

Calgon used in water treatment is chemically

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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

Glauber's salt is chemically represented by

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

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

Chloral is used in the manufacture of

Chemical formula of BHC, which is an insecticide is

The most economical pulp for the production of newsprint would be the __________ pulp.

Chemical name of aspirin (an analgesic drug) is

Dehydrogenation of ethyl benzene produces

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

Which of the following is not a pyrite ore?

Enzymes are

Starting raw material for the manufacture of alum is

A mixture of chlorine & sodium bromide acts as a/an

Polycaprolactam is commercially known as

Fusel oil is a/an

Which of the following is an explosive?

Oxygen is produced by fractionation of air using __________ process.

The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

The biochemical treatment applied to sewage effluents is a process of

Also checkout

Fats as compared to oils have

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Sizing material is incorporated in paper to

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

Use of water having dissolved oxygen in boilers promotes

Raw materials used for producing __________ cement does not contain iron oxide.

Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is

Absorption of SO3 in 97% H2SO4 is

Pick out the wrong statement.

Calgon used in water treatment is chemically

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Styrene (a monomer for the production of polystyrene) is commercially produced by

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

Glauber's salt is chemically represented by

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

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

Chloral is used in the manufacture of

Chemical formula of BHC, which is an insecticide is

The most economical pulp for the production of newsprint would be the __________ pulp.

Chemical name of aspirin (an analgesic drug) is

Dehydrogenation of ethyl benzene produces

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

Which of the following is not a pyrite ore?

Enzymes are

Starting raw material for the manufacture of alum is

A mixture of chlorine & sodium bromide acts as a/an

Polycaprolactam is commercially known as

Fusel oil is a/an

Which of the following is an explosive?

Oxygen is produced by fractionation of air using __________ process.

The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is

The biochemical treatment applied to sewage effluents is a process of

Also checkout

Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is