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Question: Answered & Verified by Expert
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 :
ChemistrySurface ChemistryJEE MainJEE Main 2020 (04 Sep Shift 2)
Options:
  • A Egg white
  • B Water
  • C HCHO
  • D Eosin dye 
Solution:
2613 Upvotes Verified Answer
The correct answer is: Egg white
Blue ink is a colloidal sol, so it can be stabilised by material like natural gum or Egg white/albumen.

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