Question

aluminum metal is added to copper(ii)chloride give 2 observations that indicate this is a chemical reaction

Answer 1

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Answer 2

When you put aluminum in copper(||) chloride, the copper together the chloride eats away at the aluminum. There is noticeable burning smell and some faint smoke as a result of the chemical reaction. As the copper chlorides works away at the aluminum, the aluminum turning into a dark brown color.