Question

17. What is a chemical change? *​

Answer 1

Answer:

A chemical change is one in which two or more substances react to produce a new substance (or substance) with a different set of properties is known as chemical change. chemical changes are also known as chemicals reactions. chemical cha8are permanent changes.

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Answer 2

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. 

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