Exodus 30:36

30:36 You are to beat some of it very fine and put some of it before the ark of the testimony in the tent of meeting where I will meet with you; it is to be most holy to you.

Exodus 32:20

32:20 He took the calf they had made and burned it in the fire, ground it to powder, poured it out on the water, and made the Israelites drink it.