[问答题]
1.State the complete;gpm (vu j89y*hij3sq balanced equation 4fpdcqqo 8oy02+ftf6 b k-a-yfor the reaction between sulphuric acid and copper (II) oxidef-d2 yabkq+408fof q c6-otyp.
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.