[问答题]
1.State the completeyxq6;1 kl;5 c8xxo os2ucep8w ba0js:rvy 2dkf8 lanced equation for the reaction between sulphuric acid and coppev:yd jk8r2 sf0r (II) oxide.
2.State the complete balanced equation for the reaction between ethanoic acid and potassium carbonate.
3.Outline two ways to monitor the rate of reaction for reaction (b) above.