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Date Posted: 20:36:05 11/04/01 Sun
Author: Mr. Yeo Woei Ter
Subject: Re: Definations
In reply to: Felicia Hu 's message, "Definations" on 19:55:08 11/04/01 Sun

Fuel is a substance that is burnt in air to produce heat energy.

A saturated hydrocarbon is a compound to which other atoms cannot be added. A saturated compound does not contain multiple bonds such as C=C.

An unsaturated hydrocarbon is a compound which contains multiple bonds such as C=C, in which other atoms can be added to the molecule in addition reactions.

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