To remove _____ stains, mix together 1 part ammonium chloride or sal ammoniac and 4 parts powdered talc.
A) welding splatters
B) dirt and paper
C) copper and bronze
D) egg splatter

Question

Quizplus · Accepted Answer

The correct choice is C) copper and bronze because a mixture of ammonium chloride (sal ammoniac) and powdered talc is effective in removing stains from copper and bronze surfaces. This combination acts as a mild abrasive and chemical cleaner, suitable for these types of metal stains.

To Remove _____ Stains, Mix Together 1 Part Ammonium Chloride