Pure Substance or Mixture? Element, Compound, Homogeneous or heterogeneous?

Question

I need to know whether or not the Material is Pure Substance or Mixture. Then if is Element, Compound, Homogeneous or heterogeneous.

Sugar + Pure Water (C12H22O11+H2O)

Iron Filings (Fe)

Limestone (CaCO3)

Orange Juice(With Pulp)

Pacific Ocean

Air inside a balloon

Alluminum (Al)

Magnesium (Mg)

Acetylene (C2H2)

Tap water in a glass

Soil

Pure water (H2O)

Chromium (Cr)

Chex Mix

Salt + Pure Water (NaCl + H2O)

Benzene (C6H6)

Muddy Water

Brass (Cu mixed with Zn)

Baking Soda (NaHCO3)

Note that all the Big numbers are ment to be small.

Thanks to all of you who took the time to answer.

:)

Answer 1

^^ THANK YOU