Question

A chemical reaction is a _________when one or more _______form one or more different ______. In the result of chemical reaction starting substances - ____- form final substances -____________. The signs that indicate a reaction are called _______ of a chemical reaction.

Answer 1

Ответ:

A chemical reaction is a process when one or more substances form one or more different substances. In the result of a chemical reaction, starting substances - reactants - form final substances - products. The signs that indicate a reaction are called evidence of a chemical reaction.

Объяснение: