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Chemical Process

Chemical Process
Thermal pyrolysis of ethylene dichloride produces

Vinyl chloride
Trichloroethylene
Ethanol amine
Ethylene oxide

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Chemical Process
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

Increase the rate of absorption
Reduce the cooling water circulation rate
Avoid corrosion
None of these

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Chemical Process
Carboxymethyl cellulose (CMC) is added in detergents to

Prevent redeposition of soil on cleaned surface
Inhibit corrosion in washing machines made of aluminium
Act as optical brightening agent
None of these

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Chemical Process
Sodium chloride content in sea water is about __________ gms/litre.

25
50
10
2

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Chemical Process
In sulphate pulp manufacture, the pressure and temperature in the digestor is

10 atm., 800 °C
1 atm., 170 - 180°C
L atm., 800°C
10 atm., 170-180°C

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Chemical Process
The drug used in contraceptives is

Methyl salicylate
Mestranol
Sulphadizene
Pencillin

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MORE MCQ ON Chemical Process

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