i) Reaction between an acid and base to form a salt and water only
ii) Add 200cm3 of 2 M nitric (V) acid to 200cm3 of 2M sodium hydroxide.
Heat the mixture to saturation. Allow the mixture to cool for crystal to form
iii) 2NaNO3(s) $\rightarrow$ 2NaNO2(s) + O2(g)
johnmulu answered the question on February 10, 2017 at 14:28
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