Terylene is

Question

Terylene is

A. Same as Dacron

B. A polyester

C. Both (A) & (B)

D. Neither (A) nor (B)

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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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Salt cake is chemically represented by

A. Na₂SO₄

B. CaSO₄. ½H₂O

C. MgSO₄

D. BaSO₄

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Chemical formula of 'salt cake' is

A. Na₂SO₄

B. CaSO₄

C. MgSO₄

D. BaSO₄

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How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

A. 500°C

B. 750°C

C. 1000°C

D. 1500°C

Discuss this answer

Chloramines are used in water treatment for

A. Disinfection and control of taste & odour

B. Corrosion control

C. Removing turbidity

D. Control of bacteria

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Paper grade bamboo contains about __________ percent cellulose.

A. 5

B. 20

C. 40

D. 60

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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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Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

A. A slow reaction

B. A discontinuous reaction (requiring regeneration of iron by water gas intermittently)

C. Still in development stage (by employing fluidised bed technique)

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

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Sulphur removal by heating of pyrite ore in presence of air is called its

A. Reduction

B. Roasting

C. Calcination

D. Smelting

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Oxidation of SO₂ to SO₃ is favoured by

A. Low temperature and low pressure

B. Low temperature and high pressure

C. High temperature and low pressure

D. High temperature and high pressure

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Zeolite used in water softening process (cation exchange) is regenerated by washing with

A. Brine

B. Chloramines

C. Sodium bisulphite

D. Liquid chlorines

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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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Teflon is

A. Phenol formaldehyde

B. An inorganic polymer

C. Poly tetra-fluoro-ethylene (P.T.F.E.)

D. A monomer

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Nylon-66 is so named because the

A. Average degree of polymerisation of the polymer is 1966

B. Number of carbon atoms between two nitrogen atoms are 6

C. Number of nitrogen atoms between two carbon atoms are 6

D. Polymer was first synthesised in 1966

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Iron ore hematite is concentrated using

A. Electromagnetic separation mainly

B. Gravity separation

C. Froth floatation

D. Roasting

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Cooking liquor in case of sulphite process is

A. Sodium sulphite and sodium bisulphite

B. Magnesium sulphite and free SO2 in acid medium

C. Magnesium sulphate and magnesium bicarbonate

D. None of these

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Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

A. Slaked lime

B. Soda lime

C. Calcium perchlorate

D. None of these

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__________ of quicklime produces slaked lime.

A. Hydration

B. Dehydration

C. Hydrogenation

D. None of these

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Which of the following is the second major component of cement?

A. Al₂O₃

B. CaO

C. SiO₂

D. Fe₂O₃

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Hydrazine is largely used

A. As a starting material for 'hypo'

B. In photographic industry

C. As rocket fuel

D. In printing industry

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Which of the following paper does not require a filler during manufacture?

A. Bond paper

B. Writing paper

C. Blotting paper

D. Coloured paper

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Catalyst used in the hydrogenation of oil is

A. Nickel

B. Platinum

C. Iron

D. Alumina

Discuss this answer

Most commonly used rubber vulcanising agent is

A. Sulphur

B. Bromine

C. Platinum

D. Alumina

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Penicillin is separated from fermented broth by

A. Extraction with amyl or butyl acetate

B. Ternary Azeotropic distillation

C. Evaporator in calandria

D. Extractive distillation

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The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A. 800

B. 1600

C. 4000

D. 8500

Discuss this answer

Linde process of gas liquefaction employs

A. Exchange of heat with colder stream

B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

C. Adiabatic expansion against a piston or in a turbine

D. Merely compressing the gas beyond its critical pressure

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Catalytic oxidation-dehydrogenation of methyl alcohol produces

A. Formaldehyde

B. Phenol

C. Acetone

D. Maleic anhydride

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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

Discuss this answer

Thermosetting materials

A. Are cross-linked molecules

B. Soften on application of heat

C. Are solvent soluble

D. None of these

Discuss this answer

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

A. Vertical shaft

B. Rotary

C. Fluidised bed

D. Fixed bed

Discuss this answer

Accepted Answer

C. Both (A) & (B)

Terylene is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

High temperature carbonisation of coal produces

Salt cake is chemically represented by

Chemical formula of 'salt cake' is

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

Chloramines are used in water treatment for

Paper grade bamboo contains about __________ percent cellulose.

Glycerine is a by-product of the __________ industry.

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

Sulphur removal by heating of pyrite ore in presence of air is called its

Oxidation of SO₂ to SO₃ is favoured by

Zeolite used in water softening process (cation exchange) is regenerated by washing with

Which of the following is an explosive?

Teflon is

Nylon-66 is so named because the

Iron ore hematite is concentrated using

Cooking liquor in case of sulphite process is

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

__________ of quicklime produces slaked lime.

Which of the following is the second major component of cement?

Hydrazine is largely used

Which of the following paper does not require a filler during manufacture?

Catalyst used in the hydrogenation of oil is

Most commonly used rubber vulcanising agent is

Penicillin is separated from fermented broth by

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

Linde process of gas liquefaction employs

Catalytic oxidation-dehydrogenation of methyl alcohol produces

Molecular weight of plastics ranges from

Thermosetting materials

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

Also checkout

Terylene is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

High temperature carbonisation of coal produces

Salt cake is chemically represented by

Chemical formula of 'salt cake' is

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

Chloramines are used in water treatment for

Paper grade bamboo contains about __________ percent cellulose.

Glycerine is a by-product of the __________ industry.

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is

Sulphur removal by heating of pyrite ore in presence of air is called its

Oxidation of SO2 to SO3 is favoured by

Zeolite used in water softening process (cation exchange) is regenerated by washing with

Which of the following is an explosive?

Teflon is

Nylon-66 is so named because the

Iron ore hematite is concentrated using

Cooking liquor in case of sulphite process is

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

__________ of quicklime produces slaked lime.

Which of the following is the second major component of cement?

Hydrazine is largely used

Which of the following paper does not require a filler during manufacture?

Catalyst used in the hydrogenation of oil is

Most commonly used rubber vulcanising agent is

Penicillin is separated from fermented broth by

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.

Linde process of gas liquefaction employs

Catalytic oxidation-dehydrogenation of methyl alcohol produces

Molecular weight of plastics ranges from

Thermosetting materials

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

Also checkout

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

Oxidation of SO₂ to SO₃ is favoured by

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.