Physical and Chemical Changes — CHEMISTRY STD 7 — Question
ICSE BoardEnglish MediumSTD 7CHEMISTRYPhysical and Chemical Changes2 Marks
Question
What is a chemical equation ?
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Answer
The representation of a chemical reaction by using the symbols and formulae of the reactants and the products involved in the reaction is called its chemical equation.
Example :
$\text{C} \ ($carbon$)\ + \ \text{O}_2 \rightarrow \text{CO}_{2}$
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