Types of Mixture

Which of the following is most likely a heterogeneous mixture, even though it may appear uniform at first glance?

• Vinegar

• Blood

• Air

• Saltwater

All homogeneous mixtures remain stable over time and under all conditions.

• True

• False

• Neither true or false

• data is not enough to determine the right answer

Which of the following would you not expect to be a homogeneous mixture?

• Air

• Brass

• Fruit Salad

• Salt dissolved in water

You are given a clear liquid that doesn't scatter light and doesn't separate on standing. You heat it and observe no phase separation. Is it homogeneous or heterogeneous?

• Homogeneous

• Heterogeneous

• Cannot be determined

• Either Homogeneous or heterogeneous

A student labels a muddy water sample as a homogeneous mixture because it looks uniformly brown. Is the student correct?

• Yes,it is homogeneous

• No, it is heterogeneous

• Yes only if stirred continuously

• Yes only if left to settle