A sample of red ink (a colloidal suspension) is prepared by mixing eosine dye, egg white, HCHO and water. The component which ensures stability of the ink sample is : (A) HCHO (B) Water (C) Eosine dye

Question

A sample of red ink (a colloidal suspension) is prepared by mixing eosine dye, egg white, HCHO and water. The component which ensures stability of the ink sample is :

(A) HCHO
(B) Water
(C) Eosine dye
(D) Egg white

Prashant Kotian · Accepted Answer

Correct answer: D. Blue ink is a colloidal sol, so it can be stabilised by material like natural gum or Egg white/albumen.

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