Unit 6: Solutions/Acids & Bases

Which point represents a supersaturated solution of the unknown salt?

Based on this graph, which of the following BEST

describes the solubility of these gases?

Which BEST describes the solution at point C?

A. saturated

B. desaturated

C. unsaturated

D. supersaturated

KCl,

what type of solution is created at 60 degrees

Celsius with 60g/100mL of water?

How would you increase the conductivity of a solution?

Kool-Aid is a mixture of flavoring, sugar, and

water. Which substance would be considered the

solvent?

Which student's sugar will most likely dissolve the fastest?

Which group most likely dissolved the salt faster?

Which of the following statements is false?

A. Bromcresol Purple turns yellow-purple at pH 5.8.

B. Thymol Blue turns orange at pH 2.

C. Phenolphthalein turns light red at pH 8.2.

D. Bromphenol Blue turns green-blue at pH 4.6.

Trinity conducted a science experiment using household products. She put a drop of a

substance on a piece of litmus paper and it turned blue. What is the most probable substance that Trinity tested?

A. water

B. orange juice

C. baking soda

D. vinegar

Household dish soap is a slightly basic solution. Into which pH range would household dish soap

fall?

A. 0.5 - 2.5

B. 4.0 - 5.5

C. 7.5 - 8.0

D. 12.5 - 13.0

Which of the following would help to dissolve a

solute?

A. Heat it up.

B. Stir it.

C. Crush it.

D. All of the above.

Which of the following items, when tested by litmus paper, would most likely have a pH of 7?

A. lemon juice

B. distilled water

C. detergent

D. ammonia