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

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

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Chemical Process
Pick out the wrong statement. Iodine value of an oil or fat is

The number of grams of iodine taken up by 100 gm of oil or fat
Helpful in findings its adulteration & its suitability for making soap
Independent of the type of oil, whether it is drying or non-drying
A measure of its unsaturation

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