I. Classify the following as element (E), compound (C), homogeneous mixture (Hom), or heterogeneous mixture (Het).
a) Water and sugar before dissolving ____Het___
b) Water and salt after dissolving __Hom_____
c) Milk ___Hot____
d) Potassium __E_____
e) Distilled water __C_____
f) Helium ___E____
g) Pepperoni pizza __Het_____
h) Water and oil ___Het____
i) Sodium ___E____
j) Cholesterol __C_____
k) Table salt ___C____
l) NaCl ___C____
m) HCl (g) __C_____
n) HCl (aq) ___Hom____
o) Air __Hom_____
p) Blood ___Hom____
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