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12 questions from this quiz
A soluble salt
Copper(II) oxide
Hydrochloric acid
Copper(II) chloride
To increase the reaction rate
Excess CuO remains undissolved
To remove unreacted excess CuO
Water evaporates
Formation of crystals on cooling
To neutralise all the acid
2HCl+CuO→CuCl2+H2O2HCl + CuO → CuCl_2 + H_2O2HCl+CuO→CuCl2+H2O
Dry the crystals
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