8. Fill in the blanks with the correct words.
(a). Left-hand side elements in a chemical equation are called ________ (reactants/products).

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Solution

Left-hand side elements in a chemical equation are called reactants.
A symbolic representation of the changes which occur in a chemical reaction, expressed in terms of the formulae of the molecules involved, is called a chemical equation.
In general, we write the chemical equation :
Reactant → Product
The reactant is written on the left-hand side of the arrow, while the product is written on the right-hand side of the arrow.
Therefore, left-hand side elements in a chemical equation are called reactants.

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