Pick the odd one out.
a) LPG,KEROSENE,PETROL,ASPHALT
b) LUBRICATING OIL,PARAFFIN WAX,FUEL OIL,ASPHALT

a) LPG is odd one out as petrol , kerosene and asphalt are the products of fractional distillation of petroleum.
b) Fuel oil is odd one out as lubricating oil , paraffin wax and asphalt are obtained by further fractionation of residual oil.

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In question (a) Asphalt is the right answer because all the other options are constituents of petroleum whereas asphalt is not.
In question (b) Asphalt is the right answer because all the other options are constituents of petroleum whereas asphalt is not.
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