Today we will learn about polishing silver.
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C3000 Experiment: 189, 190, 191
Materials:
- iron sulfate grains (left over from a previous experiment)
- grey stopper
- test tubes
- measuring spoon
- lid opener
- ammonium chloride
- calcium hydroxide
- large glass jar
- hydrochloric acid
- table salt
- evaporating dish
- aluminum foil
- silver spoon (not stainless steel) or silver dollar
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