Extraction of __________ employs an electrolytic process.

Question

Extraction of __________ employs an electrolytic process.

A. Aluminium

B. Silver

C. Copper

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

Share this question with your friends

Show all Chemical Process MCQ

Comment

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

A. Xanthates

B. Stearic acid

C. Calcium & aluminium stearate

D. Formic acid

Discuss this answer

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

A. 15-30

B. 90-100

C. 250-300

D. < 0

Discuss this answer

Caprolactam (a raw material for nylon-6 manufacture) is produced from

A. Phenol

B. Naphthalene

C. Benzene

D. Pyridine

Discuss this answer

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)

Discuss this answer

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

A. Electrolysis

B. Electrolytic reduction

C. Electrolytic oxidation

D. None of these

Discuss this answer

Shaving soaps are

A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a lasting property

B. Metallic soaps compounded with frothing agents

C. High free alkali soaps having excess of cane sugar and alcohol

D. None of these

Discuss this answer

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

A. Polyurethane

B. Silicone

C. Teflon

D. Epoxy resin

Discuss this answer

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

A. SO₃ gas is sparingly soluble in water

B. Water forms an acid mist, which is difficult to absorb

C. The purity of acid is affected

D. Scale formation in the absorber is to be avoided

Discuss this answer

Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

A. Nylon-6

B. Dacron

C. Polyester

D. PVC

Discuss this answer

Industrial production of chloroform requires acetone and

A. Phosgene

B. Calcium hypochlorite

C. Chlorine

D. Ammonium chloride

Discuss this answer

Fat dispersed in water is exemplified by

A. Colloids

B. Gel

C. Butter

D. Emulsion

Discuss this answer

Fourdrinier machine is used in the manufacture of

A. Nylon-6

B. Paper

C. Antibiotics

D. Sugar

Discuss this answer

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

A. Gives higher conversion efficiency

B. Has a longer life and is not poisoned by arsenic

C. Handles lower SO2 content gas (7 -10% SO₂), thus increasing the capital cost of the plant

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

Discuss this answer

Hydrogenation of oil/fat does not

A. Improve its resistance to rancid oxidation

B. Raise its melting point

C. Remove double bonds

D. None of these

Discuss this answer

Thermoplastic materials

A. Do not soften on application of heat

B. Are heavily branched molecules

C. Are solvent insoluble

D. None of these

Discuss this answer

__________ is a thermosetting plastic.

A. Polythene

B. Epoxy polymer

C. P.V.C.

D. Polystyrene

Discuss this answer

Graphite is a/an

A. Electrical insulator

B. Allotrope of carbon

C. Moderator used in nuclear reactor

D. Both (B) and (C)

Discuss this answer

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

A. Na₂CO₃

B. NaHCO₃

C. H₂

D. None of these

Discuss this answer

An oil is converted into fat by its

A. Hydrogenation

B. Hydrolysis

C. Hydrocracking

D. Hydration

Discuss this answer

__________ of rubber decreases after its vulcanisation.

A. Resistance to the action of organic solvent

B. Tackiness

C. Maximum service temperature

D. Tensile strength

Discuss this answer

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

Discuss this answer

The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

A. 3

B. 12

C. 22

D. 0.3

Discuss this answer

Epoxy resin

A. Is a good adhesive

B. Is an elastomer

C. Cannot be used for surface coatings

D. Is a polyester

Discuss this answer

Pick out the wrong statement.

A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag

B. Portland cement is made employing wet process

C. Gypsum is added to Portland cement to lengthen its setting time

D. None of these

Discuss this answer

Flexible foam (for mattresses) is usually made of

A. PVC

B. Silicone

C. Polyurethanes

D. Polyamides

Discuss this answer

Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

A. Phthalic anhydride

B. Vinyl chloride

C. Maleic anhydride

D. Dacron

Discuss this answer

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)

Discuss this answer

Lurgi coal gasifier is a pressurised __________ bed reactor.

A. Moving

B. Fixed

C. Fluidised

D. Entrained

Discuss this answer

Starting material for the production of butadiene in India is

A. Naphthalene

B. Benzol

C. Ethyl alcohol

D. Phthalic anhydride

Discuss this answer

Alkylbenzene sulfonate (ABS) is a

A. Detergent

B. Rubber

C. Pesticide

D. Polyester

Discuss this answer

Accepted Answer

A. Aluminium

Extraction of __________ employs an electrolytic process.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

Caprolactam (a raw material for nylon-6 manufacture) is produced from

Enzymes are

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

Shaving soaps are

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

Industrial production of chloroform requires acetone and

Fat dispersed in water is exemplified by

Fourdrinier machine is used in the manufacture of

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

Hydrogenation of oil/fat does not

Thermoplastic materials

__________ is a thermosetting plastic.

Graphite is a/an

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

An oil is converted into fat by its

__________ of rubber decreases after its vulcanisation.

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

The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

Epoxy resin

Pick out the wrong statement.

Flexible foam (for mattresses) is usually made of

Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

The function of gypsum addition during cement making is to

Lurgi coal gasifier is a pressurised __________ bed reactor.

Starting material for the production of butadiene in India is

Alkylbenzene sulfonate (ABS) is a

Also checkout

Extraction of __________ employs an electrolytic process.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

Caprolactam (a raw material for nylon-6 manufacture) is produced from

Enzymes are

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

Shaving soaps are

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because

Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

Industrial production of chloroform requires acetone and

Fat dispersed in water is exemplified by

Fourdrinier machine is used in the manufacture of

In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

Hydrogenation of oil/fat does not

Thermoplastic materials

__________ is a thermosetting plastic.

Graphite is a/an

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

An oil is converted into fat by its

__________ of rubber decreases after its vulcanisation.

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

The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

Epoxy resin

Pick out the wrong statement.

Flexible foam (for mattresses) is usually made of

Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

The function of gypsum addition during cement making is to

Lurgi coal gasifier is a pressurised __________ bed reactor.

Starting material for the production of butadiene in India is

Alkylbenzene sulfonate (ABS) is a

Also checkout

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst