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

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

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

Independent of the type of oil, whether it is drying or non-drying
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
A measure of its unsaturation

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