Chemical Process
Phthalic anhydride is made by the

Oxidation of naphthalene
None of these
Dehydrogenation of ethyl benzene
Oxidation of benzene

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Chemical Process
Pasteurisation of milk means

None of these
Inhibiting the growth of micro-organisms without killing them
Removal of fatty and albuminous substance from it
Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

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