Question

Preparation of colloidal solution (class 9)
With steps

Answer 1

heya mate here is your answer
Chemical Methods of Preparation of Colloids. Hydrophilic or Lyophobic colloidal solutions can be prepared by various chemical techniques such as: Double Decomposition Technique: When hydrogen sulphide is passed through a solution of arsenious oxide in distilled water, we get a colloidal solutionof arsenous chloride.