Science 6 7. Which is NOT a heterogeneous mixture?
A. Fruit Salad
C. Marbles and Pebbles
B. Pencils and Pens
D. Vinegar
8. Why is a freshly squeezed orange juice called heterogeneous mixture?
A. No change can be observed.
B. The components were completely dissolved.
C. The components cannot be separated completely.

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.