Ans of the 18 question pls the equation is also needed
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18. a) 2Cu(NO₃)₂(s) = 2CuO(s) + 4NO₂(g) + O₂(g)
b) (i) NO₂ - Nitrogen dioxide
(ii) Decomposition
c) NO₂ and water react to form nitric acid. Therefore, pH will be between 1 to 7.
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