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CHEMISTRY CH14 Acids, Bases and Salts — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceCHEMISTRY CH14 Acids, Bases and Salts1 Mark
Question
What are the various uses of Aquaregia.
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Answer

  1. It is used chiefly to dissolve metals such as gold and platinum.
  2. It is used for cleaning and refining gold.

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