Question

choose the correct answer. the production of a new substance commonly indicates what type of change? a chemical change a heterogenous change a physical change

Explanation:

In a chemical change, the chemical bonds in substances are broken and new bonds are formed, resulting in the production of a new substance. Physical changes only affect the physical state or appearance of a substance without changing its chemical composition. There is no such thing as a heterogenous change in this context.

Answer:

A. A chemical change