Powdered gold is___________________?
Correct answer: C. Made by a combination of chemical precipitation and atomization
- A. Made by beating pure gold at high temperatures
- B. Made by electrolytic precipitation
- C. Made by a combination of chemical precipitation and atomization
- D. Made by milling pure gold ingots
Explanation
Powdered gold is produced using chemical precipitation together with atomization, which creates fine particles suitable for condensation. Beating or milling ingots produces foil or coarse particles rather than this dental powder.
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