Material
Homogeneous (Ho) or Heterogeneous (He) ex: Laundry detergent (contains white and blue crystals) Mixture or (M) Heterogeneous (He) ex: sugar Pure Substance (PS) Compound (C) iron filings (Fe) limestone (CaCO 3) orange juice (water and pulp) Pacific Ocean (Water and Salt) air aluminum (Al) magnesium (Mg) acetylene (C 2 H 2