Question

why is chemical changes called so​

Answer 1

Answer:

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Explanation:

These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. ... This is an example of a chemical change because the end products are chemically different from the substances before the chemical reaction.

Answer 2

Answer:

here is your answer:-

A chemical change occurs when a new substance is formed through a chemical reaction like when fruit ripens. When something undergoes a " chemical reaction " and a new substance is formed as a result , we call this chemical change.