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1. What are the various uses of Aquaregia.
Uses of aquaregia:
• The most common application of aquaregia is in the Wohlwil process, which is used to refine . During this process, we obtain high purity (\(99.999\)%).
• It is also used to remove metals like gold and platinum.
2. What are the uses of Plaster of Paris?
Uses of Plaster of Paris:
a. It is employed in the plastering of .
b. It is used to make statue casts.
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