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Solution: Which of the following is a heterogeneous mixture? a. A bot...

Question

Which of the following is a heterogeneous mixture?

a. A bottle of brine (slightly salty water).

b. A dish of steamed vegetables, fresh from the microwave oven.

c. The contents of a balloon containing helium, nitrogen, and oxygen gases.

d. A beaker containing a well-stirred mixture of ethanol (drinking alcohol) and water

e. All of the above.