Question

1. Material Required: 2 long iron nails, water, plate, box,Greece/oil. Procedure:
1. Put one iron nail in a plate in open.
2. Put another iron nail also in open butis coated with oil.
3. Now wash both the nails with water. Keep them for 1 week.
4. Record your observation for both the iron nails and identify the change. Iron nail ______________ (a /b) is found to be rusted. It is a ______ change . Conclusion___________________

Answer 1

Explanation:

a is found......

it's a (oxidation reaction) chemical change.

conclusion: that the layer of oil prevent the corrosion of iron.