Question

Define a chemical change? What change is represented by a chemical change?​

Answer 1

Answer:

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. ... An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen.

Explanation:

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Answer 2

Answer:

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Chemical change ↓

A change leading to the production of a new substance is known as a chemical change

What change is represented by a chemical change?

When chemical reactions occur, the atoms are rearranged and the reaction is accompanied by an energy change as new products are generated