MHT CET 2024 Chemistry question
Not in JEE Main or NEET syllabus
What type of colloid is the soap lather?
Answer: (3)
Solution
Colloids are classified by the physical states of the dispersed phase and the dispersion medium. In soap lather, tiny bubbles of gas (air) are dispersed in a liquid (soap solution), so the dispersed phase is gas and the medium is liquid; this is a foam (gas
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