Question

Define .Chemical reactions and explain its characteristic.​

Answer 1

Answer:

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Explanation:

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

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Answer 2

Answer:

see below answer...

Explanation:

Chemical reaction::-

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

The characteristics of a chemical reaction are :

:Evolution of gas.

:Formation of a precipitate.

:Change in color.

:Change in temperature.

:Change in state.

:Formation of new substances.