Classify each of the following as a pure substance or a mixture
an iron (Fe) nail
propane (CzHg)
a salt substitute (KCI)
A club soda
a slice of onion pizza
an iron (Fe) nail - pure substance (element)
propane (C3H8) - pure substance (compound)
a salt substitute (KCl) - pure substance (compound)
A club soda - mixture
a slice of onion pizza - mixture
an iron (Fe) nail - Pure substance (element)
propane (C3H8) - Pure substance (compound)
a salt substitute (KCl) - Pure substance (compound)
Club soda - Mixture (solution)
a slice of onion pizza - Mixture (can include various substances)