A student mixed powdered blue copper chloride (CuCl) with distilled water (H2O) and obtained a blue liquid. After a few days, the water evaporated, leaving blue copper chloride CuCl crystals in the beaker.

Answer all parts below using complete sentences with correct capitalization
and punctuation.

Part A
Were the original two chemicals pure substances or mixtures? Explain your answer.

Part B
Was the resulting liquid a pure substance or a mixture? Explain your answer.

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