Unit #4 - Review (Mixtures, pH, and Separation)

    How would you refer to a solution that contains MORE than the maximum amount of solute that is capable of being dissolved at a given temperature?

•    Diluted

•    Saturated

•    Unsaturated

• Supersaturated

What is this separation method called?

• Magnetism

• Distillation

• Sifting

• Filtering

Which mixture can be separated using a filtration method?

• oil and water

• sand and iron powder

• sand and water

• water and ethanol

What does pH measure?

• the amount of hydrogen (H⁺) ions

• amount of water

• amount of solid

Which of the following is the strongest acid?

• 1

• 5

• 3

• 8

Which of the following is the strongest base?

• 4

• 14

• 7

• 15

Which of the following is a characteristic of a base?

• bitter

• sour

• corrosive

• releases hydrogen ions in water

Which of the following is a characteristic of an acid?

• bitter

• slippery

• sour

• releases hydroxide ions in water

What does a base release when placed in water?

• hydroxide ions (OH-)

• hydrogen ions (H+)

• ions

• molecules

What does an acid release when placed in water?

• hydroxide ions (OH-)

• hydrogen ions (H+)

• ions

• nothing