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Unformatted text preview: p Types of Mixtures-Homogenous: Uniform composition-Heterogenous: Non-uniform composition Physical and Chemical change-Physical change: Change in physical appearance but chemical identity is the same->Water -> boiled -> steam->Water -> frozen -> ice-Chemical change: Change in chemical identity occurs-> H2(gas) + O2 (gas) = H20(water) The melting of wax: physical change or a chemical change?-Physical, because it is only changing shape The burning of wax: Physical or chemical?-Chemical, because it is a process of combustion...
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- Spring '08