Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 2.44 - Describe tests for these gases: hydrogen, oxygen, carbon dioxide, ammonia and chlorine.
Specification Point 2.45 - Describe how to carry out a flame test.
Specification Point 2.46 - Know the colours formed in flame tests for the following cations: lithium, sodium, potassium, calcium and copper.
Specification Point 2.47 - Describe tests for these cations: ammonium using sodium hydroxide solution and identifying the gas evolved. Copper, iron (II) and iron (III) using sodium hydroxide solution.
Specification Point 2.48 - Describe tests for these anions: chloride, bromide and iodide using acidified silver nitrate solution. Sulphates using acidified barium chloride solution and carbonates using hydrochloric acid and identifying the gas evolved.
Specification Point 2.49 - Describe a test for the presence of water using anhydrous copper (II) sulphate.
Specification Point 2.50 - Describe a physical test to show whether a sample of water is pure.
Complete set of Chapter 5 Lessons are available.
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