Which is the easiest way to burn a silver coin?
(A)Hold the silver coin with crucible tongs, and heat strongly in the flame of a Bunsen burner. (B)Use the method in (A), but use an oxyacetylene torch to reach a higher temperature. (C)Grind the silver coin into very small, dust-sized particles, and spray the particles into a Bunsen burner flame. (D)Dissolve the silver coin in acid, precipitate the hydroxide, and heat in a Bunsen burner flame to make the oxide.
C