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Answer:
· A chemical reaction is a process generally characterized by a chemical change in which the starting materials (reactants) are different from the products. Chemical reactions tend to involve the motion of electrons, leading to the formation and breaking of chemical bonds. There are several different types of chemical reactions and more than one way of classifying them.
Explanation:
The release of gas, production of a precipitate, change in color, temperature, state and formation of new substances
What is chemical reaction?
A chemical reaction is defined as a process that leads to the chemical transformation of one type of chemical substances to another type. Or in other words, a chemical reaction is a process in which one or more substances are converted to one or more different substances.
Evolution of gas, production of a precipitate, change in color, change in temperature, change in state and formation of new substances are the some characteristics of different classes of chemical reactions.
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