The Reactivity Series of Metals (Structured Questions)

Question 1:Diagram 1.1 and Diagram 1.2 show an experiment to study the reactivity of metals with water.(a) Observe Diagram 1.1. State the volume of gas collected.   Write down your answer in Table below.(b) Based on the result in Table above, state one inference.(c) State the variables in this experiment.(i) Constant variable(ii) Responding variable(d) Based … Read more

5.5 Electrolysis

5.5 Electrolysis   5.5.1 Electrolysis 1. Electrolysis is a process where a compound is separated into its constituent elements when electric current passes through an electrolyte.   2. In electrolysis, energy is changed as shown below: Electrical energy → chemical energy 3. The apparatus used in an electrolytic cell consists of a dry cell or battery, … Read more