Chemistry
Choose the substances given below to answer the following questions.
Ferrous chloride
Iron (II) sulphate
Iron (II) chloride
Copper chloride
Aluminium oxide
Copper (II) oxide
(a) A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide.
(b) The salt which gives a dirty green precipitate with sodium hydroxide solution.
(c) The metal oxide which can react with acid as well as alkali.
Analytical Chemistry
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Answer
(a) Copper chloride.
(b) Iron (II) sulphate
(c) Aluminium oxide
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