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MHT CET20226 Aug 2022Evening ShiftChemistrySurface ChemistryActual

Which among the following is an example of sorption?

Options

  1. AOxygen gas is passed over finely divide nickel
  2. BCharcoal is added to methylene blue solution
  3. CChalk is dipped in ink
  4. DHydrogen gas is passed over platinum

Correct answer

C. Chalk is dipped in ink

Step-by-step solution

Colour pigment remains on the surface whereas solvent goes inside the bulk.

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