143k views
2 votes
Can we make the goal penny go back to the original color(copper penny?

1 Answer

6 votes

Answer:

Step-by-step explanation:

When a copper penny is heated in a solution of sodium hydroxide mixed with zinc dust, small amounts of zinc dissolve into the surface of the penny. This causes the penny to look silver since there is now a layer of zinc over the outside of the penny.

User Ben Zittlau
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.