nakuru district secondary schools trial examination - KCSE Online

A Blue 10B Violet 14C Red 1D Green 7E Yellow 5(a) Which of the solution is likely to be(i) Lactic acid ........................................................................................................ (½ mark)(ii) Sodium chloride ...................................................................................................(½ mark)(b) Magnesium hydroxide is used as medication to relieve stomach acidity.(i) Write down the word equation for the reaction that occurs in the stomach when one takes inthe medicine(1mark)............................................................................................................................................................................................................................................................................................................b (ii)Explain why sodium hydroxide cannot be used for the same purpose in (b i) above (1mark)..................................................................................................................................................................................................................................................................................................................................................................................................................................................................26 what mass of copper would be deposited on the cathode when a steady current of one ampereflows for 30 minutes through copper(ii) sulphate solution.(3marks)Cu =64 IF =965000C……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..Visit:14www.kcse-online.info for thousands of free Past papers