Question 1

Why does powdered sugar dissolve in water more rapidly than a sugar cube?

Accepted Answer

A) greater surface area of the powder 
B) more kinetic energy in the powdered sample 
C) greater concentration in the sugar cube 
D) greater density of the sugar cube 
A) greater surface area of the powder 
B) more kinetic energy in the powdered sample 
C) greater concentration in the sugar cube 
D) greater density of the sugar cube

Question 2

What affects the rate at which solutes dissolve?

Accepted Answer

A) temperature of the solution 
B) surface area of the solute 
C) concentration of the solute 
D) All of the above. 
A) temperature of the solution 
B) surface area of the solute 
C) concentration of the solute 
D) All of the above.

Question 3

What is the common solvent in all aqueous solutions?

Accepted Answer

A) oil 
B) water 
C) alcohol 
D) None of the above. 
A) oil 
B) water 
C) alcohol 
D) None of the above.

Question 4

What happens to a saturated salt solution in water when the solution is cooled?

Accepted Answer

A) A precipitate forms. 
B) More salt can be added to the solution. 
C) The solution contracts. 
D) Nothing. 
A) A precipitate forms. 
B) More salt can be added to the solution. 
C) The solution contracts. 
D) Nothing.

Question 5

What kind of monatomic ions are routinely found in blood plasma?

Accepted Answer

Sodium ion

Question 6

Which compounds could be electrolytes?

Accepted Answer

A) SO3 
B) NO2 
C) CH4 
D) MgCl2 
A) SO3 
B) NO2 
C) CH4 
D) MgCl2

Question 7

What is the molarity of a solution made from 54.9 g of NaCl in 0.75 L of water?

Accepted Answer

A) 73.2 M 
B) 1.25 M 
C) 1.42 M 
D) 0.01 M 
A) 73.2 M 
B) 1.25 M 
C) 1.42 M 
D) 0.01 M

Question 8

A solution with a pH = 3.5 is said to be ___________.

Accepted Answer

A) acidic 
B) basic 
C) neutral 
D) Can't tell from the information given. 
A) acidic 
B) basic 
C) neutral 
D) Can't tell from the information given.

Question 9

According to the solubility table, KBr should be _________.

Accepted Answer

A) soluble 
B) insoluble 
C) molecular 
D) sparingly soluble 
A) soluble 
B) insoluble 
C) molecular 
D) sparingly soluble

Question 10

What is lithium hydroxide?

Accepted Answer

A) LiOH, a strong base 
B) LiOH, a weak base 
C) Li(OH)2, a strong base 
D) Li(OH)2, a weak base 
A) LiOH, a strong base 
B) LiOH, a weak base 
C) Li(OH)2, a strong base 
D) Li(OH)2, a weak base

Question 11

What kind of reaction is the addition of KOH to HCl?

Accepted Answer

A) a reduction-oxidation that does not make a precipitate 
B) a reduction-oxidation that makes a precipitate 
C) a neutralization that makes a salt and water 
D) an addition that makes salt and water 
A) a reduction-oxidation that does not make a precipitate 
B) a reduction-oxidation that makes a precipitate 
C) a neutralization that makes a salt and water 
D) an addition that makes salt and water

Question 12

What is a solution with a pH of 12?

Accepted Answer

A) neutral 
B) acidic 
C) basic 
D) concentrated 
A) neutral 
B) acidic 
C) basic 
D) concentrated

Question 13

When electrodes are placed in a solution of electrolytes, how does the current flow?

Accepted Answer

A) Positively charged cations are attracted to the negatively charged cathode. 
B) Negatively charged cations are attracted to the negatively charged anode. 
C) Positively charge anions are attracted to the negatively charged cathode. 
D) Negatively charged cations are attracted to the positively charged cathode. 
A) Positively charged cations are attracted to the negatively charged cathode. 
B) Negatively charged cations are attracted to the negatively charged anode. 
C) Positively charge anions are attracted to the negatively charged cathode. 
D) Negatively charged cations are attracted to the positively charged cathode.

Question 14

What is the more scientific name for baking soda?

Accepted Answer

A) Sodium chloride 
B) Sodium carbonate 
C) Sodium bicarbonate 
D) Baking bicarbonate 
A) Sodium chloride 
B) Sodium carbonate 
C) Sodium bicarbonate 
D) Baking bicarbonate

Question 15

What is the old, common name for NaOH?

Accepted Answer

A) base 
B) fat 
C) lye 
D) acid 
A) base 
B) fat 
C) lye 
D) acid

Question 16

What is the chemical difference between buttermilk and milk?

Accepted Answer

A) Buttermilk contains less fat. 
B) Buttermilk contains more fat. 
C) Buttermilk has been mixed with butter. 
D) None of the above. 
A) Buttermilk contains less fat. 
B) Buttermilk contains more fat. 
C) Buttermilk has been mixed with butter. 
D) None of the above.

Question 17

In cooking, to what does leavening refer?

Accepted Answer

A) Blowing small amounts of air into dough 
B) The use of specific flours 
C) The creation of tiny air pockets in dough 
D) None of the above. 
A) Blowing small amounts of air into dough 
B) The use of specific flours 
C) The creation of tiny air pockets in dough 
D) None of the above.

Question 18

If the reaction AgNO3 + NaCl → NaNO3 + AgCl were written out as a total ionic reaction, which ions would be the spectator ions?

Accepted Answer

A) Ag+ and NO3- 
B) Na+ and Ag+ 
C) Na+ and NO3- 
D) Cl- and NO3- 
A) Ag+ and NO3- 
B) Na+ and Ag+ 
C) Na+ and NO3- 
D) Cl- and NO3-

Question 19

How did Marie Curie approach her cooking?

Accepted Answer

A) Through random guess work 
B) By changing variables one by one 
C) By getting advice from older cooks 
D) Marie Curie didn't cook. 
A) Through random guess work 
B) By changing variables one by one 
C) By getting advice from older cooks 
D) Marie Curie didn't cook.

Question 20

In the reaction 2 HCl + Zn → H2 + ZnCl2, what chemical change occurred with the zinc metal?

Accepted Answer

A) Nothing. 
B) It neutralized. 
C) It reduced. 
D) It oxidized. 
A) Nothing. 
B) It neutralized. 
C) It reduced. 
D) It oxidized.

Why does powdered sugar dissolve in water more rapidly than a sugar cube?

What affects the rate at which solutes dissolve?

What is the common solvent in all aqueous solutions?

What happens to a saturated salt solution in water when the solution is cooled?

What kind of monatomic ions are routinely found in blood plasma?

Which compounds could be electrolytes?

What is the molarity of a solution made from 54.9 g of NaCl in 0.75 L of water?

A solution with a pH = 3.5 is said to be ___________.

According to the solubility table, KBr should be _________.

What is lithium hydroxide?

What kind of reaction is the addition of KOH to HCl?

What is a solution with a pH of 12?

When electrodes are placed in a solution of electrolytes, how does the current flow?

What is the more scientific name for baking soda?

What is the old, common name for NaOH?

What is the chemical difference between buttermilk and milk?

In cooking, to what does leavening refer?

If the reaction AgNO₃ + NaCl → NaNO₃ + AgCl were written out as a total ionic reaction, which ions would be the spectator ions?

How did Marie Curie approach her cooking?

In the reaction 2 HCl + Zn → H₂ + ZnCl₂, what chemical change occurred with the zinc metal?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

Exam 6: Aqueous Solutions: Part I

Why does powdered sugar dissolve in water more rapidly than a sugar cube?

What affects the rate at which solutes dissolve?

What is the common solvent in all aqueous solutions?

What happens to a saturated salt solution in water when the solution is cooled?

What kind of monatomic ions are routinely found in blood plasma?

Which compounds could be electrolytes?

What is the molarity of a solution made from 54.9 g of NaCl in 0.75 L of water?

A solution with a pH = 3.5 is said to be ___________.

According to the solubility table, KBr should be _________.

What is lithium hydroxide?

What kind of reaction is the addition of KOH to HCl?

What is a solution with a pH of 12?

When electrodes are placed in a solution of electrolytes, how does the current flow?

What is the more scientific name for baking soda?

What is the old, common name for NaOH?

What is the chemical difference between buttermilk and milk?

In cooking, to what does leavening refer?

If the reaction AgNO3 + NaCl → NaNO3 + AgCl were written out as a total ionic reaction, which ions would be the spectator ions?

How did Marie Curie approach her cooking?

In the reaction 2 HCl + Zn → H2 + ZnCl2, what chemical change occurred with the zinc metal?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

If the reaction AgNO₃ + NaCl → NaNO₃ + AgCl were written out as a total ionic reaction, which ions would be the spectator ions?

In the reaction 2 HCl + Zn → H₂ + ZnCl₂, what chemical change occurred with the zinc metal?