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Question
Explain, with example, how the physical states of the reactants and products can be shown in a chemical equation.
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Solution
Physical state of reactants and products can be shown by writing (s) for solid, (l) for liquid, (aq) for aqueous solution and (g) for gaseous substance after its formula or symbol in chemical reaction.
Example:
C (s) + O2 (g) → CO2 (g) + HEAT
Here, Carbon is taken in solid state and carbon dioxide and oxygen are in gaseous state.
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