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Which statement best explains the scientific need for a balanced chemical equation?

Answer and explanation

Correct answer: It shows that atoms are not destroyed but are rearranged.

A balanced chemical equation follows the law of conservation of atoms and mass. During a chemical reaction, atoms are not created or destroyed; they are rearranged to form new substances. Equal numbers of each element on both sides show this rearrangement and also give the correct stoichiometric proportions. Therefore A is correct. Colour, the physical state of every product, and heat release are not the scientific reasons for balancing an equation.

Related tags

Balanced EquationConservation Of AtomsChemical ReactionsStoichiometryConservation Of MassChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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