Pure Substance: Only contains one elment or conpound.
no its a cow... poo ok, just pooo
pure substace
it depends on the source of the sand. If it is sterilized sand from a building supply source wouldn't it be pure?
Pure quartz sand and salt is are pure substances (single chemical compounds), Seawater is a mixture of substances.
glucost
yes.
Sand usually contains abundant silica, but it generally is not pure silica.
No, it is effectively a pure silica sand. Sand is not poisonous.
NaCl, always square, doesn't burn, and is made up of crystals.
7
The purest possible sand contains only silicon and oxygen.