Chemical Process - Chemical Engineering Questions and Answers

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What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?

Cl₂ & Na

Cl₂ & H₂

O₂ & H₂

Cl₂, H₂ & NaOH solution.

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__________ acid is the main constituent of cotton seed oil.

Acetic

Linoleic

Palmitic

Oleic

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Chemical formula of 'salt cake' is

Na₂SO₄

CaSO₄

MgSO₄

BaSO₄

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Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in

pyrolysis of oil.

sintering of porous catalyst.

hydrogen embrittlement.

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

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Nicotine is

a volatile alkaloid.

obtained by treating by-products of the tobacco processing industry.

both (a) and (b).

neither (a) nor (b).

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Separation of fresh water from sea water can be done by the __________ operation.

osmosis

reverse osmosis

absorption

adsorption

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Na₂CO₃.10H₂O is called

washing soda

soda ash

slaked lime

quicklime

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Reaction of an alcohol with organic acid is called the __________ reaction.

saponification

esterification

neutralisation

acidification

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Ethanol amine is produced using ammonia and

ethyl benzene

ethylene oxide

ethanol

ethane