yes
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?
yes.
Sand usually contains abundant silica, but it generally is not pure silica.
the chemical formula for sand is SiO2, so it is a compound, made from Silicon and Oxygen
The purest possible sand contains only silicon and oxygen.
Sand is a mixture; rarely may be an almost pure compound.
Sand usually contains abundant silica, but it generally is not pure silica.
To get more sand
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