RECICLING OIL

The last day we go to the chemical laboratory, to make soap with recicling oil, I mean that this oil has gone through before the skillet and free state with meat, tomato, ...



Steps to make this soap:

1.Measure 20 ml. oil in a Erlenmeyer I and add 10 ml of water.

2.Weigh 4.5 NaOH and put it into a new Erlenmeyer II then remove.

3.Take 15ml. th distilled water and put it into the Erlenmeyer II remove it for ten minutes.

4.Throw the erlenmeyer's II liquid into the I and b quit in a move it and leave it to dry dock.

Our objectives are:

- Make soap with recicling oil.

- Don't throw the oil for the sink if no put in a bottle and bring this to the green point.