Question

a chemical changes many involve​

Answer 1

Answer:

Chemical reactions involve interaction between chemicals such that all reactants are changed into new materials. ... Chemical reactions involve breaking chemical bonds between reactant molecules (particles) and forming new bonds between atoms in product particles (molecules).

Explanation:

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Answer 2

Answer:

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Chemical reactions involve the production of new materials which are quite different from the reacting substances. Any new materials come from the reacting substances. Changes that may accompany a chemical reaction include colour, appearance and production of new materials, for example, a gas.

Explanation:

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