Day: September 1, 2022

11.0 CHEMISTRY (233) 11.1 Chemistry Paper 1 (233/1)  

Chemistry Paper 1 (233/1) 1.a)X is water. or H20 b)It is slightly soluble in water. J and denser than air. c) Used in hospitals to resuscitate patients. Used in welding when mixed with acetylene in the ocy-acetylene flame. Used by Read More …

 

Chemistry Paper 2 (233/2) 1 – (i)Sodium chloride / potassium chloride /rock salt.( 1 mark) (ii) Concentrated sulphuric (VI) acid( 1 mark) (iii) Grey solid turns green( 1 mark) ( 1 mark) (V)To avoid explosion.( 1 mark) (b) (i) I Read More …

Chemistry Paper 1 (233/1) 1. Increasing the size of the air hole/increase the amount of air/open air holes competely. (1) 3. (a) – The anhydrous copper (II) Sulphate turns from White to blue. (1) – A grey solid is formed/droplets Read More …

Kenya certificate of Secondary Education 2016 Chemistry paper 2 Questions and Answers No. 1. Use the information in the table below to answer the questions that follow. The letters do not represent the actual symbols of the elements. (a) Give Read More …

Investigations Revision pdf – Click to download Ethics for Fraud Examiners – Click to download Planning and conducting a Fraud examination – Click to download Individual Rights During Examinations – Click to download Basic Principles of Evidence – Click to Read More …

Kenya certificate of Secondary Education 2016 Chemistry paper 1 1. A student investigated the effect of an electric current by passing it through some substances. The student used inert electrodes and connected a bulb to the circuit. The table below Read More …

Kenya certificate of primary Education Practical 2017 Chemistry paper 3 1. You are provided with: • Solution A, 0.5 M copper(II) sulphate • Solid B1, metal B1 powder • Solid B2, Iron powder • Solution C, 0.02 M acidified potassium Read More …