Chemical Process - Chemical Engineering Questions and Answers

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Acetone is produced by catalytic dehydrogenation of

Phenol

Naphthalene

Isopropanol

Ethyl benzene

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Highly porous refractory bricks are

Less susceptible to chemical attack by molten fluxes and gases etc

Very strong

Having very high thermal conductivity

None of these

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__________ is produced by the dehydrogenation of ethyl benzene.

Styrene

Ethyl alcohol

Cumene

Phenol

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Fluorescent dyes are added in detergents to

Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics

Attain distinctiveness from other brands

Act as tarnish inhibitor for metals like German silver

None of these

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Alkylbenzene sulfonate (ABS) is a

Detergent

Rubber

Pesticide

Polyester

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Wet chlorine gas produced during electrolysis of brine is dehydrated by

Spraying 66° Be H₂SO₄ counter current to the flow of the gas

Passing it through a bed of diatomaceous earth

Passing it through a bed of silica gel

None of these

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The catalyst used in shift converter is

Nickel

Vanadium

Silica gel

Alumina

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Zeigler process

Produces high density polyethylene

Produces low density polyethylene

Uses no catalyst

Employs very high pressure