Soap with recycled oil

Procedure:

1. Put 25 ml. of oil in one erlenmeyer and add 10 ml. of water.

2. Weigh 4'5ml. of NaOH and put in a new erlenmeyer.

3. Put some detergent to bring forward the process.

4. Mix the substance.

5. Put the substance in a mould.

6.Watch the results.

Objective:

Our objective is recycle the oil giving them a new use, because the oil is a very pollution element.