On Thursday, we tried to remove the glycerine from all the oil in the bottles. We took our upside down bottles and placed a bucket under them. The cap was opened slowly so we didn't lose all the oil. Once it was opened, lumps of glycerine came out. After all the glycerine all came out, there was still animal fat. We had to take out the animal fat too. After that was done, we closed the bottle and placed it upright on a flat table.
A cataylist is a substance that speeds up a process of chemical reaction. Our cataylist was sodium hydroxide.
On Friday, Ms. Rioux took the most clear bottles and carefully poured the oil into beakers. Then, we had to rinse out our bottles with water. Finally, the clean oil in the bakers were poured into bottles using a funnel.
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