what do u mean by chemical reaction
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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.
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chemical reaction is a process in which two or more substance are combine to format new product. ....
This is called chemical reactions. ...
eg. c +O2 = CO 2
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