Sentence Examples


  • It is thus obtained as an olive green precipitate which is insoluble in acids and alkalis.
  • The sesquisulphide, Ir 2 S 3, is obtained as a brown precipitate when sulphuretted hydrogen is passed into a solution of one of the sesqui-salts.
  • On the addition of potassium cyanide they give a brown precipitate of cobalt cyanide, Co(CN) 2, which dissolves in excess of potassium cyanide to a green solution.
  • By the addition of excess of ammonia to a cobalt chloride solution in absence of air, a greenishblue precipitate is obtained which, on heating, dissolves in the solution, giving a rose-red liquid.
  • The yellow precipitate obtained is washed with a solution of potassium acetate and finally with dilute alcohol.

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