Physical and Chemical Changes (pt. 3)

Question 1

separating crude oil into many different substances

Answer 1

distillation

Question 2

separating individual pigments of a water-soluble ink into three to four bands

Answer 2

chromatography

Question 3

Cleansing human blood of toxins and wastes using kidney dialysis

Answer 3

filtration

Question 4

separating whole blood into various plasma, buffy coat with white blood cells, and red blood cells

Answer 4

centrafugation