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(i) What would be the colour of the solu...

(i) What would be the colour of the solution when copper oxide and dilute hydrochloric acid are mixed?
(ii) Write a chemical equation which represents that is effect of a base nullified by an acid and vice-versa.

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(i) It is blue green
(ii) `NaOH+HCL to NaCl+H_2O`
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