Question

what are the characteristics of chemical reactions and symbols of chemical reaction

Answer 1

The reaction which is taken place by chemical substances and the change occured is permanent is called 'chemical reaction' .
Example:rusting of iron when exposed to atmospheric oxygen .

Answer 2

Answer:A chemical is any substance consisting of matter. This includes any liquid, solid, or gas. A chemical is any pure substance (an element) or any mixture (a solution, compound, or gas). Chemicals occur naturally and can be made artificially.

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.

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