Chemical Process - Chemical Engineering Questions and Answers

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Massacuits is a terminology used in the __________ industry.

paint

oil hydrogenation

soap

sugar

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The basic constituent of vegetable oils is

triglyceride

fatty acids

fatty alcohol

mono esters

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

groundwood

sulphate

sulphite

semichemical

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

Al₂O₃

SiO₂

CaO

Fe₂O₃

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

has larger production capacity per unit cell.

consumes less power per ton of Cl₂ produced.

produces high purity (70%) caustic soda directly.

all (a), (b) and (c).

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__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

Phosphates

Chromates

Sulphates

Bi-carbonates

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L.D. converter is used in the production of

pig iron

steel

copper

zinc

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The terminology 'BTX' used in coal tar distillation industry refers to

benzol-toluol-xylol.

benzol-toluene-xylene.

benzene-toluol-xylol.

benzene-toluene-xylene.

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Which of the following is not responsible for causing permanent hardness of water ?

Ca(HCO₃)₂

CaCl₂

MgCl₂

none of these