Chemical Reactions and Equations GIZMOS
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Chemical Changes and Their Representation in the Form of Chemical Equations A chemical change can be confirmed by any or all of the following observations- change in statechange in colourchan... ge in temperatureevolution of gasformation of a precipitateA chemical change is always accompanied by a chemical reaction. Reaction is the term used for depicting a change or transformation in which a substance decomposes, combines with other substances, or interchanges constituents with other substances. Thus, a chemical equation is an easier and more concise method for representing a chemical reaction. It involves writing symbols and formulae (instead of words) for all substances involved in the reaction. A chemical equation also indicates the number of atoms of each element involved in a reaction. In which reactants are given on left-hand side of a reaction and products are given on right-hand side. Reactants: The substance which takes part in a chemical reaction. Products: The new substances produced as a result of chemical reaction [Show More]
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