Chemical Reactions Notes Coordinated Sciences Chemistry/ 2025/2026/2027 Exams

IGCSE Coordinated science students do not study any information related to the following for 2025/2026/2027 Exams:

Evaluate practical methods for investigating the rate of a reaction including change in mass of a reactant or a product and the formation of a gas
Identify redox reactions by changes in oxidation number using: (a) the oxidation number of elements in their uncombined state is zero (b) the oxidation number of a monatomic ion is the same as the charge on the ion (c) the sum of the oxidation numbers in a compound is zero (d) the sum of the oxidation numbers in an ion is equal to the charge on the ion
Identify redox reactions by the colour changes involved when using acidified aqueous potassium manganate(VII) or aqueous potassium iodide
Define an oxidising agent as a substance that oxidises another substance and is itself reduced
Define a reducing agent as a substance that reduces another substance and is itself oxidised
Identify oxidising agents and reducing agents in redox reactions