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12th Standard English Medium Chemistry Subject Surface Chemistry Book Back 3 Mark Questions with Solution Part - II updated Book back Questions Question Bank Software May-13 , 2022

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12th Standard English Medium Chemistry Subject Surface Chemistry Book Back 3 Mark Questions with Solution Part - II updated Book back Questions

12th Standard English Medium Chemistry Subject Surface Chemistry Book Back 3 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 15

    Part I

    5 x 3 = 15

  1. What happens when a colloidal sol of Fe(OH)3 and As2S3 are mixed?

  2. Why are lyophillic colloidal sols are more stable than lyophobic colloidal sol.

  3. What are the factors which influence the adsorption of a gas on a solid?

  4. What do you mean by activity and selectivity of catalyst?

  5. Describe some feature of catalysis by Zeolites.

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