A substance with visible boundaries can be classified as homogeneous mixture.
The chemical classification of substances are into elements, mixtures and compounds.
A mixture contains two or more substances in any proportion.
There are two main types of mixtures which include:
A compound is said to be heterogeneous if different sections of the mixture have different compositions. Example the mixture of sand band water.
A compound is said to be homogeneous if the composition is uniform through out the mixture. For example the wood contains grains which are uniformly distributed, therefore its classified as an example of a homogeneous mixture.
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