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MHT CET20227 Aug 2022Evening ShiftChemistrySurface ChemistryActual

Which among the following is a negatively charged sol?

Options

  1. ACdS
  2. BCrO ₃ xH ₂ O
  3. CAl ₂ O ₃ xH ₂ O
  4. DTiO ₂

Correct answer

A. CdS

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