High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Question

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

A. Flocculate the impurities

B. Facilitate fast filtration

C. Both (A) and (B)

D. Neither (A) nor (B)

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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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High temperature carbonisation of coal produces

A. Inferior coke compared to low temperature carbonisation

B. Less of gases compared to liquid products

C. Larger quantity of tar compared to low temperature carbonisation

D. None of these

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Neon gas is

A. Flammable in nature

B. Used in color discharge tube

C. Filled in lamps having tungsten filament

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

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Boiling of water containing temporary hardness produces

A. CO₂

B. CaSO₄

C. CaHCO₃

D. None of these

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Styrene butadiene rubber (SBR) is

A. A natural rubber

B. A synthetic polymer

C. A synthetic monomer

D. Another name of silicone rubber

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Main constituents of Portland cement are calcium aluminate and

A. Gypsum

B. Silicates

C. Sodium silicate

D. Carbonates

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Refractory bricks burnt at very high temperature have got

A. Greater resistance to corrosion by slags

B. Less resistance to corrosion by slags

C. High spalling tendency

D. None of these

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Pick out the wrong statement pertaining to the soap manufacture.

A. Transparent soaps are made by cold process

B. Organic pigments are used as colouring materials in the soap manufacture

C. Both laundry as well as toilet soaps are manufactured by hot process

D. Colourless rosin is used in the manufacture of laundry soaps

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Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

A. V₂O₅ & Cr₂O₃.

B. Oxides of nitrogen & Cr₂O₃

C. V₂O₅ on a porous carrier & oxides of nitrogen

D. Oxides of nitrogen & V₂O₅ on a porous carrier

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The chamber process is

A. Preferred over contact process for producing 98 to 100% H₂SO₄ and various oleums

B. Non-catalytic and operates only on pyrites

C. A batch process for directly producing high strength (98 to 100%) H₂SO₄

D. None of these

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Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

A. Oxidation of Na⁺ ions

B. Oxidation of Cl^- ions

C. Reduction of Na⁺ ions

D. Reduction of Cl^- ions

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Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.

A. (i) - Ni/Al₂O₃; (ii) - Cu - ZnO/Al₂O₃

B. (i) - Fe/Al₂O₃; (ii) - Cu - ZnO/Al₂O₃

C. (i) - Ni/Al₂O₃; (ii) - Fe/Al₂O₃

D. (i) - Fe/Al₂O₃; (ii) - Ni/Al₂O₃

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The process involved in converting rubber into a thin sheet or coating it on fabric is called

A. Extrusion

B. Mastication

C. Calendaring

D. Vulcanisation

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Which of the following sugars is the sweetest?

A. Glucose

B. Fructose

C. Sucrose

D. Lactose

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Permanent hardness of water can be removed by

A. Boiling

B. Adding Ca(OH)₂

C. Boiling it with Na₂CO₃

D. None of these

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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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In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

A. Diamine and the ring

B. Dibasic acid and the ring

C. Diamine and the dibasic acid

D. None of these

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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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Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

A. -83

B. -183

C. -196

D. -218

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Which allotrope of sulphur is insoluble in carbon disulphide?

A. Rhombic sulphur

B. Monoclinic sulphur

C. Plastic sulphur

D. Milk of sulphur

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Function of thinner in a paint is to

A. Accelerate the oxidation of oil

B. Prevent gelling of the paint

C. Suspend pigments & dissolve film forming materials

D. Form a protective film

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Graphite is a/an

A. Electrical insulator

B. Allotrope of carbon

C. Moderator used in nuclear reactor

D. Both (B) and (C)

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More than 100 percent of __________ is present in oleum.

A. SO₃

B. H₂SO₄

C. H₂SO₃

D. SO₂

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Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in

A. Pyrolysis of oil

B. Sintering of porous catalyst

C. Hydrogen embrittlement

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

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Ordinary glass is not a/an

A. Amorphous isotropic material

B. Supercooled liquid

C. Material with sharp definite melting point

D. Electrical insulator

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Adipic acid is an intermediate in the manufacture of

A. Perspex

B. Nylon-66

C. Polystyrene

D. Bakelite

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

A. Reducing

B. Oxidising

C. Disinfecting

D. None of these

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Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

A. 1

B. 2.5

C. 5

D. 10

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An oil is converted into fat by its

A. Hydrogenation

B. Hydrolysis

C. Hydrocracking

D. Hydration

Discuss this answer

Accepted Answer

C. Both (A) and (B)

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

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Related Questions

Which of the following, when pyrolysed, produces Perchloroethylene?

High temperature carbonisation of coal produces

Neon gas is

Boiling of water containing temporary hardness produces

Styrene butadiene rubber (SBR) is

Main constituents of Portland cement are calcium aluminate and

Refractory bricks burnt at very high temperature have got

Pick out the wrong statement pertaining to the soap manufacture.

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

The chamber process is

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.

The process involved in converting rubber into a thin sheet or coating it on fabric is called

Which of the following sugars is the sweetest?

Permanent hardness of water can be removed by

Fire clay is __________ refractory material.

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

Terylene is

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

Which allotrope of sulphur is insoluble in carbon disulphide?

Function of thinner in a paint is to

Graphite is a/an

More than 100 percent of __________ is present in oleum.

Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in

Ordinary glass is not a/an

Adipic acid is an intermediate in the manufacture of

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

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

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

An oil is converted into fat by its

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High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Which of the following, when pyrolysed, produces Perchloroethylene?

High temperature carbonisation of coal produces

Neon gas is

Boiling of water containing temporary hardness produces

Styrene butadiene rubber (SBR) is

Main constituents of Portland cement are calcium aluminate and

Refractory bricks burnt at very high temperature have got

Pick out the wrong statement pertaining to the soap manufacture.

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

The chamber process is

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:(i) __________ for steam reforming of methane and(ii) __________ for ammonia synthesis.

The process involved in converting rubber into a thin sheet or coating it on fabric is called

Which of the following sugars is the sweetest?

Permanent hardness of water can be removed by

Fire clay is __________ refractory material.

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

Terylene is

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

Which allotrope of sulphur is insoluble in carbon disulphide?

Function of thinner in a paint is to

Graphite is a/an

More than 100 percent of __________ is present in oleum.

Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in

Ordinary glass is not a/an

Adipic acid is an intermediate in the manufacture of

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

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

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

An oil is converted into fat by its

Also checkout

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.