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The formation of an insoluble solid on mixing two solutions is commonly an indication of what?

Answer and explanation

Correct answer: A chemical reaction occurring

When two solutions are mixed and an insoluble solid appears, the solid is called a precipitate. Its formation usually means that ions from the original solutions have rearranged to produce a new, insoluble substance; therefore, a chemical reaction has occurred. A change of state does not create a new substance, a shape change only alters form, and dissolution produces a solution rather than a precipitate. Hence option A is correct.

Related tags

ScienceClass 10Chemical ReactionsPrecipitationEvidence Of ReactionChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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