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Chemical Process

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

Oleic acid
Stearic acid
Glycerol
Citric acid

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Chemical Process
Hydrocynic acid (HCN) is used as an insecticide for

Potato beetle
Citrus fruits
Controlling timber degradation by ants
Controlling poultry lice

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Chemical Process
Alcohol is produced by the

None of these
Oxidation of an aldehyde
Hydrolysis of an ether
Esterification of a fat

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Chemical Process
Molecular weights of polymers are in the range of

10² - 10⁷
10⁵ - 10⁹
10⁹ - 10¹¹
10² - 10²

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Chemical Process
Iron ore hametite is concentrated using

Gravity separation
Electro magnetic separation mainly
Froth floatation
Roasting

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Chemical Process
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by

Iron-steam reaction
Electrolysis of water
Steam reforming of naphtha
Its cryogenic separation from coke oven gas

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