Day: August 31, 2022

Chemistry Paper 3 (233/3) 1 You are provided with:   solution A’ aqueous copper (H) sulphate;  solid B, iron powder;  0.02 M acidified potassium manganate (VII), solution C.You are required to determine the molar heat of displacement of copper by Read More …

Chemistry Paper 2 (233/2) 1 )The grid given below represents part of the periodic table. Study it and answer the questions that follow. The letters do not represent the actual symbols of elements. M N P T R a)(i) Select Read More …

CHEMISTRY (233) 4.5.1 Chemistry Paper 1 (233/1) 1. The set up below can be used to prepare oxygen gas. Study it and answer the questions that follow. (a) Identify gas x ? (b) What property of oxygen makes it possible Read More …

Chemistry Paper 3 (233/3) 1 You are provided with: – solution J containing copper (ll) ions. solution K, 0.1 M sodium thiosulphate. aqueous potassium iodide, solution L. solution N, sodium hydroxide. starch indicator, solution M. You are required to determine the: – concentration of copper (ll) Read More …

Chemistry Paper 2 (233/2) 1 (a) The set-up below was used to prepare dry hydrogen chloride gas, and investigate its effect on heated iron filings. (i) Name substance L (1 mark) (ii) Name liquid M. (1 mark) (m) What will be observed in Read More …

KCSE Past Papers Chemistry 2014 3.6 CHEMISTRY (233) 3.6.1 Chemistry Paper 1 (233/1) 1 Explain how the hotness of a Bunsen burner flame can be increased. (1 mark) 2 When dilute hydrochloric acid was reacted with solid B, a colourless Read More …