Which word means a process in which some substances change into different substances?

a) compounding
b) physical reaction
c) chemical reaction
d) separation

chemical reaction

Explanation:

it changes the chemical bonds of the substance, turning it into a different substance

Chemical Reaction means a process in which some substances change into different substances

Explanation:

In a chemical reaction, the substance (reactants) undergoes a change from one substance to other different substances known as the products. The products and reactants in a chemical reactions are either compounds or chemical elements.  

A chemical reaction occurs at a specific reaction rate at a chemical concentration and at given temperature. These chemical reactions can be represented in a chemical equation.There are  many kinds of chemical reactions like combustion, decomposition,oxidation, reduction,precipitation etc.,

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explanation:

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl