Second Semester Exam

Question 1

You can skim the fat off the top of a kettle of cold soup because fat is

Answer 1

B. Less dense then water and rises to the top

Question 2

Loose sugar dissolves much faster than a sugar cube because loose sugar has

Answer 2

A. A greater surface area

Question 3

Sugar will dissolve more quickly in iced tea if you stir it because stirring

Answer 3

B. Allows dissolved molecules to diffuse through the tea

Question 4

You can make a solute dissolve more quickly in solvent by

Answer 4

C. Heating the solvent

Question 5

Water is referred to as the universal solvent because

Answer 5

C. Many different substances dissolve in water

Question 6

An unsaturated solution is one that

Answer 6

A. Can dissolve more solute at the current conditions

Question 7

Acids are substances that

Answer 7

A. Form hydronium ions when dissolved in water

Question 8

When dissolved in water all acids will

Answer 8

C. Conduct electricity

Question 9

Marinades for meat commonly include acids such as vinegar at wine because the acids can

Answer 9

B. Tenderize meat

Question 10

A disinfectant is a substance that

Answer 10

C. Kills bacteria and viruses

Question 11

You can usually filter out solid particles in a suspension by

Answer 11

D. Using a paper filter to catch the particles