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Anion Tests

Descrição

A method of learning the tests for anions, made by Emma of Class 11 - T. The blue boxes contain the name of the aqueous anion, the green boxes contain the test for the anion and the pink boxes contain the observation.

Mapa Mental por HazelTheKitten, atualizado more than 1 year ago

	Criado por HazelTheKitten mais de 9 anos atrás

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Resumo de Recurso

Anion Tests

Nitrate
1. Add dilute sodium hydroxide and a little aluminium powder
  1. Ammonia gas is produced. It turns moist red litmus paper blue
Iodide
1. Add dilute nitric acid (destroys and carbonate present) and then lead(II) nitrate solution
  1. A yellow precipitate of lead(II) iodide is formed
Chloride
1. Add dilute nitric acid (destroys any carbonate present) and then silver nitrate solution
  1. A white precipitate of silver chloride is formed
Carbonate
1. Add dilute hydrochloric acid
  1. Effervescence occurs and carbon dioxide gas is given off
Sulphate
1. Add dilute nitric acid (destroys any carbonate present) and then barium nitrate solution
  1. A white precipitate of barium sulfate is formed

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