JEE Main 2020 — Surface Chemistry Question with Solution
JEE Main 2020 (04 Sep Shift 2)
Question
A sample of red ink (a colloidal suspension) is prepared by mixing eosine dye, egg white, and water. The component which ensures stability of the ink sample is :
Choose an option
Show full solutionCorrect option: A
Correct answer
AEgg white
Step-by-step explanation
Blue ink is a colloidal sol, so it can be stabilised by material like natural gum or Egg white/albumen.
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This is a previous-year question from JEE Main 2020, covering the Surface Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.