carbon compound

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Last updated 11:38 PM on 5/26/26
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7 Terms

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Fractional distillation

The fractions of hydrocarbons in petroleum are separated at different high temperature according to size of hydrocarbon.

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Main uses of Fractional distillation

1) act as a fuel

2) Act as the raw material of petrochemical industry

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Cracking

Long chain of hydrocarbon are cracked into smaller molecules at high temperatures using a catalyst.

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Type of catalyst in cracking process

Moisture of aluminium oxide and silicon oxide

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Why the demand for smaller size-carbon is higher?

The demand for smaller size-carbon is higher because it combined easily and is used as fuel.

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特点of small molecules

• low boiling point

• light in colour

• ignites easily

• flows easily

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特点of large molecules

• high boiling point

• dark in colour

• Does not ignites easily

• Does not flow easily