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Out of the following :- (A) ( Al ₂ O ₃, H ₂ O ) - Positive charge colloids (B) ( As ₂ ~S ₃ ) - Positive charge colloids (C) Haemoglobin - Positive charge colloids (D) ( TiO ₂ Sol ) - Negative charge colloids (E) Gold sol. - Negative charge colloids Which of the statements are correct?

Options

  1. AA, B, D ONLY
  2. BA, B, C ONLY
  3. CB, D ONLY
  4. DA, C, D ONLY

Correct answer

B. A, B, C ONLY

Step-by-step solution

Here's the reasoning: - Argyrol (colloidal silver): Used as an eye lotion - Correct. - Colloidal antimony: Used in the treatment of stomach disorders Correct. - Colloidal gold: Used in the treatment of Kala-azar (Leishmaniasis) Correct. - Milk of magnesia: Used as an antacid and laxative, not for skin diseases Incorrect. - Colloidal sulfur: Used for skin disorders and in ointments, not typically given as intramuscular injections - Incorrect. Thus, the correct matches are A, B, and C.

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