Builders are added in soap to act as

Question

Builders are added in soap to act as

A. Cleaning power booster

B. Anti-redeposition agent

C. Corrosion inhibitor

D. Fabric brightener

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Basic oxide is absent in __________ glass.

A. Flint

B. Pyrex

C. Quartz

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

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Higher viscosity index of a lubricating oil denotes

A. Less changes in fluidity of oil with temperature

B. Substantially high change in fluidity of oil with temperature

C. Its unsuitability under varying temperature conditions

D. None of these

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RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

A. Cyclo trimethylene trinitramine

B. Trinitro resorcinol

C. Cyclo tetramethylene tetranitramine

D. Trinitrobenzene

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Most commonly used rubber vulcanising agent is

A. Sulphur

B. Bromine

C. Platinum

D. Alumina

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90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

A. < 0

B. 10-30

C. 250-280

D. 500-600

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Maleic anhydride is produced by catalytic oxidation of

A. Toluene

B. Ethyl alcohol

C. Naphthalene

D. Benzene

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Pasteurisation of milk means

A. Removal of fatty and albuminous substance from it

B. Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

C. Inhibiting the growth of micro-organisms without killing them

D. None of these

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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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Commonly used glass is known as the __________ glass.

A. Flint

B. Hard

C. Pyrex

D. Soda

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

A. Phthalic anhydride

B. Vinyl chloride

C. Maleic anhydride

D. Dacron

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A mineral is termed as 'ore', if

A. A metal can be economically extracted from it

B. It contains ≥ 40% metal

C. The metal present in it is costly

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

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Dense soda ash used in the manufacture of glass, is chemically represented by

A. Na₂CO₃

B. Na₂CO₃.10H₂O

C. Na₂CO₃.H₂O

D. Na₂HCO₃

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A unit operation is exemplified by the process of

A. Reduction

B. Desorption

C. Nitration

D. Combustion

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In the Lurgi coal gasifier

A. Coking coals cannot be used

B. Low carbon conversion efficiency is achieved

C. Entrainment of solids is higher

D. Large quantity of coal can be processed

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Bakelite is

A. Same as Polytetrafluoroethylene (PTFE)

B. An inorganic polymer

C. Same as thermosetting phenol-formaldehyde

D. Not a polymer

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__________ is a thermosetting plastic.

A. Polythene

B. Epoxy polymer

C. P.V.C.

D. Polystyrene

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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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Naphthalene is removed from coke oven gas by

A. Adsorbing on palladium

B. Absorbing in ethanolamine

C. Scrubbing with wash oil

D. Passing it through electrostatic precipitator

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Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

A. Explosive

B. Soap

C. Detergent

D. Analgesic drug

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Nitric acid is not used in the manufacture of

A. Detergents

B. Fertilisers

C. Aqua regia

D. Explosives

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__________ iron is the purest form of iron.

A. Cast

B. Wrought

C. Pig

D. High silicon

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Which one of the following is not likely to be a constituent of vegetable oils?

A. Citric acid

B. Oleic acid

C. Stearic acid

D. Glycerol

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Thermal pyrolysis of ethylene dichloride produces

A. Trichloroethylene

B. Vinyl chloride

C. Ethanol amine

D. Ethylene oxide

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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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Essential oils are usually obtained using

A. Steam distillation

B. Extractive distillation

C. Solvent extraction

D. Leaching

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Which of the following is not a product of coal tar distillation?

A. Anthracene

B. Creosote oil

C. Carbolic oil

D. None of these

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Temporary hardness of water can be removed by

A. Addition of alum (a coagulant)

B. Boiling

C. Filtration (through gravity sand filter)

D. Addition of lime

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Catalytic oxidation-dehydrogenation of methyl alcohol produces

A. Formaldehyde

B. Phenol

C. Acetone

D. Maleic anhydride

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Paper pulp produced by Kraft/sulphate process is

A. Bleached easily

B. Dull white in color

C. Strong fibrous

D. Dark colored

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__________ is an ore concentrating metallurgical process involving a chemical change.

A. Electromagnetic separation

B. Froth floatation

C. Roasting

D. None of these

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Accepted Answer

A. Cleaning power booster

Builders are added in soap to act as

Correct Answer :

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Related Questions

Basic oxide is absent in __________ glass.

Higher viscosity index of a lubricating oil denotes

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

Most commonly used rubber vulcanising agent is

90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

Maleic anhydride is produced by catalytic oxidation of

Pasteurisation of milk means

Nylon-66 is so named because the

Commonly used glass is known as the __________ glass.

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

A mineral is termed as 'ore', if

Dense soda ash used in the manufacture of glass, is chemically represented by

A unit operation is exemplified by the process of

In the Lurgi coal gasifier

Bakelite is

__________ is a thermosetting plastic.

Use of water having dissolved oxygen in boilers promotes

Naphthalene is removed from coke oven gas by

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Nitric acid is not used in the manufacture of

__________ iron is the purest form of iron.

Which one of the following is not likely to be a constituent of vegetable oils?

Thermal pyrolysis of ethylene dichloride produces

Starting raw material for the manufacture of alum is

Essential oils are usually obtained using

Which of the following is not a product of coal tar distillation?

Temporary hardness of water can be removed by

Catalytic oxidation-dehydrogenation of methyl alcohol produces

Paper pulp produced by Kraft/sulphate process is

__________ is an ore concentrating metallurgical process involving a chemical change.

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