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  • Inorganic Chemistry Test
  • Which of the following alums is used in tanning?
Multiple choice

Which of the following alums is used in tanning?

  1. Chrome alum

  2. Ammonium alum

  3. Soda alum

  4. Potash alum

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A Correct answer
Explanation

Chrome alum, KCr(SO4)2·12H2O is a dark violet crystalline double sulfate of chromium and potassium. It is used in tanning.

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