State four differences between compounds and mixtures
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i) Compound are substances which can be formed by chemically combining two or more elements.
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ii) Compounds can be of three types, which are: covalent compounds, metallic compounds and ionic compounds.
Note: Compounds can be classified as organic compounds or inorganic compounds depending on the presence of carbon in the molecular structure.
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iii) Compounds fall under pure substances.
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iv) The chemical composition of compounds is always fixed.
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i) Mixtures are substances that are formed by physically mixing two or more substances.
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ii) Mixtures are mainly of two types i.e. homogenous mixtures and heterogeneous mixtures.
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iii) Mixtures can be categorized as impure substances.
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iv) A mixture can have a variable composition of the substances forming it.
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