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Surface Chemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry1 Mark
MCQ
What happens when a lyophilic sol is added to a lyophobic sol?
$A.$ Lyophobic sol is protected.
$B.$ Lyophilic sol is protected.
$C.$ Film of lyophilic sol is formed over lyophobic sol.
$D.$ Film of lyophobic sol is formed over lyophilic sol.
  • A
    $A$ and $B$
  • ✓
    $A$ and $C$
  • C
    $B$ and $C$
  • D
    $B$ and $D$
✓

Answer

Correct option: B.
$A$ and $C$
Lyophobic sols are protected due to formation of film of lyophobic sol.

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