Define the characteristics of a chemical reaction
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The characteristics of a chemical reaction are : Evolution of gas. Formation of a precipitate. ... Formation of new substances.
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Evolution of gas. Some chemical reactions are characterised by the evolution of gas. ...
2)Formation of precipitate. Some chemical reactions are characterised by the formation of precipitate. ...
3)Change in colour. Some chemical reactions are characterised by change in colour. ...
4)Change in temperature. ...
5)Change of state.
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