ECO-Ribeira Grande
by: Câmara Municipal da Ribeira Grande
Portugal
- Ribeira Grande
19/11/2018, 20/11/2018, 21/11/2018, 23/11/2018, 24/11/2018
Description:
In this activity, we are going to reuse cooking oil used to manufacture soaps. For this, we are going to melt tallow and cooking oil, and then we add caustic soda, alcohol and sugar. This activity is aimed at students from 7th to 12th grade.
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