S2 Chemistry

Module 2.1- Chemical Reaction

Revision of S1 work on elements and compounds; chemical and physical change; energy changes in chemical reactions; writing word equations; signs of a chemical reaction.

Module 2.2- Acids and Bases

Acids and bases; identification of acidic, alkaline and neutral solutions using indicators; understanding of the pH scale as a measure of acidity/alkalinity; neutralisation and its uses.

Module 2.3 - Analysis

Test for, preparation of and uses of carbon dioxide, hydrogen and oxygen; flame tests; tests for carbonates and sulphates

Module 2.4 – Rates of Reaction

Following the course of a reaction by measuring changes; factors which affect the rate of reaction; catalysts.

Recommended text book: Longman Chemistry