When a chemical reaction occurs,
O a phase change takes place
o the physical and chemical properties of the products are different from the reactants
O the physical and chemical properties of the reactants are the same as the properties of the products
o the compounds can be separated by physical means

D. the physical and chemical properties of the products are different from the reactants

Explanation:

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a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.