Question

what is chemical reaction and write characteristics of chemical reaction​

Answer 1

Answer:

Chemical reactions are the processes in which new substances with new properties are formed. Only a rearrangement of atoms takes place in a chemical reaction. The substances which take part in a chemical reaction are called reactants. The new substances produced as a result of chemical reaction are called products.

Answer 2

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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 :

1. Evolution of gas.
2. Formation of a precipitate.
3. Change in color.
4. Change in temperature.
5. Change in state.
6. Formation of new substances.

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