
Interpretation:
The change that takes place in a
Concept introduction:
A process in which some substances, known as reactants, transform into different substances, known as products is known as a chemical reaction.

Explanation of Solution
In a chemical reaction, a physical change, like a state change does not create a new substance, but in a chemical change, a new substance is always formed. The reactants are molecules or compounds reacting in a chemical reaction to produce products.
In any chemical reaction, no new atom of element is formed only the existing atoms are rearranged to from new molecules and compounds. In a chemical reaction, mass can neither be created nor destroyed. The change takes place in the composition or chemical properties of the substance.
Chapter U2 Solutions
Living by Chemistry
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