chemical change

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5 Terms

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chemcial changes

chem cjhanges occur during chem reaction

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reactants

reactant = substances that react

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products

substances that = produced

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chemcial cjange characteristics

Anew substance is made.

difficult to reverse or is irreversible

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indicators of chem change

Formation of gas (bubbles),

temp change,

colour change

production of light, production of sound,

change in odour,

formation of a solid precipitate.