The natural petroleum contains:

Hydrocarbons

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Metals such as iron and arsenic

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Compounds of sulphur

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All of these

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Solution

The correct option is D All of these
Crude petroleum is made of hundreds of substances including hydrocarbons of various molecular mass. Also, small amounts of elements like sulphur, phosphorous, iron, arsenic, etc., are also found in it.

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The natural petroleum contains:

The correct option is D All of theseCrude petroleum is made of hundreds of substances including hydrocarbons of various molecular mass. Also, small amounts of elements like sulphur, phosphorous, iron, arsenic, etc., are also found in it.

The correct option is D All of these
Crude petroleum is made of hundreds of substances including hydrocarbons of various molecular mass. Also, small amounts of elements like sulphur, phosphorous, iron, arsenic, etc., are also found in it.