Chemical Tests
13 past-paper questions on Chemical Tests · examined 2022–2025.
20258 questions
Describe a chemical test for carbon dioxide.
State the meaning of the term anhydrous.
State the colour of the solution formed when anhydrous copper(II) sulfate is added to water.
Describe the observations during the addition of aqueous ammonia to aqueous copper(II) sulfate.
Describe the observations when aqueous barium nitrate is added to aqueous copper(II) sulfate.
Describe a chemical test for hydrogen.
Describe the observations when aqueous ammonia is added dropwise until in excess to a small volume of aqueous zinc chloride.
Describe the observations when aqueous silver nitrate is added to aqueous zinc chloride.
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