Rusting and Oxidation

Questions

1. MultiChoice

   What two substances must be present for iron to rust?

2. MultiChoice

   What is the red-brown substance that forms on iron during rusting?

3. MultiChoice

   Why is rusting considered a chemical change?

4. MultiChoice

   When a sliced apple turns brown after exposed to air, what chemical process occurs?

5. MultiChoice

   How can you prevent iron tools from undergoing a rusting chemical change?

6. MultiChoice

   The green layer (patina) that forms on copper statues like the Statue of Liberty is caused by:

7. MultiChoice

   Is polishing tarnished brass a physical or chemical change?

8. MultiChoice

   Which metal is famous for rusting when exposed to oxygen and water?

9. WordsBox

   Rusting occurs when iron reacts with ____ and water to form iron ____

10. WordsBox

    An apple turning brown when cut open is undergoing a chemical process called ____ due to air ____

11. WordsBox

    Coating metal with ____ prevents moisture from causing a rusting chemical ____

12. WordsBox

    Tarnish on silver is a ____ compound created when silver reacts with sulfur in the ____