Question 1

Which of these correctly describes solids with a well-ordered structure?

Accepted Answer

A) Cohesive 
B) Crystalline 
C) Amorphous 
D) Neat 
E) Compressed 
A) Cohesive 
B) Crystalline 
C) Amorphous 
D) Neat 
E) Compressed

Question 2

The point at which a liquid is converted to a gas is known as the ____.

Accepted Answer

A) boiling point 
B) melting point 
C) sublimation point 
D) deposition point 
E) freezing point 
A) boiling point 
B) melting point 
C) sublimation point 
D) deposition point 
E) freezing point

Question 3

Which of these is not a method for measuring the concentration of a solution?

Accepted Answer

A) Percent by mass 
B) Percent by volume 
C) Molarity 
D) Parts per million 
E) All of the above can be used to measure concentration. 
A) Percent by mass 
B) Percent by volume 
C) Molarity 
D) Parts per million 
E) All of the above can be used to measure concentration.

Question 4

Which of these types of water contamination pose immediate health risks upon consumption?

Accepted Answer

A) organic 
B) radioactive 
C) biological 
D) lead 
E) volatile organic 
A) organic 
B) radioactive 
C) biological 
D) lead 
E) volatile organic

Question 5

Which of these substances is polar?

Accepted Answer

A) CO2 
B) SO2 
C) Cl2 
D) CH4 
E) BF3 
A) CO2 
B) SO2 
C) Cl2 
D) CH4 
E) BF3

Question 6

Which substance has the lowest boiling point?

Accepted Answer

A) Br2 
B) F2 
C) I2 
D) Cl2 
E) D and C 
A) Br2 
B) F2 
C) I2 
D) Cl2 
E) D and C

Question 7

Which of these is \are  not a unique property \properties of water?
I. Expands when it freezes
II. Nonpolar molecules
III. A good solvent

Accepted Answer

A) I only 
B) I and III 
C) II only 
D) II and III 
E) III only 
A) I only 
B) I and III 
C) II only 
D) II and III 
E) III only

Question 8

Which of these describes the process by which a liquid molecule at the surface of a liquid escapes to the gas phase?

Accepted Answer

A) Melting 
B) Sublimation 
C) Evaporation 
D) Deposition 
E) Condensation 
A) Melting 
B) Sublimation 
C) Evaporation 
D) Deposition 
E) Condensation

Question 9

Which of these is an organic contaminant?

Accepted Answer

A) lead 
B) mercury 
C) asbestos 
D) nitrates 
E) gasoline 
A) lead 
B) mercury 
C) asbestos 
D) nitrates 
E) gasoline

Question 10

Which substance has the highest boiling point?

Accepted Answer

A) Ne 
B) Kr 
C) He 
D) Xe 
E) Ar 
A) Ne 
B) Kr 
C) He 
D) Xe 
E) Ar

Question 11

Which of these is not a unit for measuring the concentration of solutions?

Accepted Answer

A) M 
B) m 
C) ppm 
D) atm 
E) mg\L 
A) M 
B) m 
C) ppm 
D) atm 
E) mg\L

Question 12

What percentage of the world's sickness is caused by water-borne diseases?

Accepted Answer

A) 0.041% 
B) 4.7% 
C) 26% 
D) 80% 
E) 98% 
A) 0.041% 
B) 4.7% 
C) 26% 
D) 80% 
E) 98%

Question 13

Which of these is not a disadvantage of "hard water"?

Accepted Answer

A) "bathtub ring" 
B) health hazards 
C) scaly deposits on fixtures 
D) decreases soap effectiveness 
E) All of these are disadvantages of "hard water." 
A) "bathtub ring" 
B) health hazards 
C) scaly deposits on fixtures 
D) decreases soap effectiveness 
E) All of these are disadvantages of "hard water."

Question 14

A 4.50 L sample of sea water which contains 32.7 mg of strontium. Determine the concentration of strontium in mg\L.

Accepted Answer

A) 0.138 mg\L 
B) 7.27 mg\L 
C) 28.2 mg\L 
D) 32.7 mg\L 
E) 37.2 mg\L 
A) 0.138 mg\L 
B) 7.27 mg\L 
C) 28.2 mg\L 
D) 32.7 mg\L 
E) 37.2 mg\L

Question 15

Which of these substances would exhibit dipole forces?

Accepted Answer

A) N2 
B) SO2 
C) SiH4 
D) BeCl2 
E) CO2 
A) N2 
B) SO2 
C) SiH4 
D) BeCl2 
E) CO2

Question 16

What is the concentration in molarity when 10.00 grams of K3PO4 is dissolved in H2O to give 350. mL of solution? (molar mass of K3PO4 = 212.3 g\mol)

Accepted Answer

A) 0.0285 M 
B) 0.0565 M 
C) 0.121 M 
D) 0.135 M 
E) 0.607 M 
A) 0.0285 M 
B) 0.0565 M 
C) 0.121 M 
D) 0.135 M 
E) 0.607 M

Question 17

A 1.00 M solution is equivalent to:

Accepted Answer

A) a 1.00 ppm solution 
B) a 1.00% solution 
C) a 1.00ppb solution 
D) an 18.00% solution 
E) cannot tell from the given information 
A) a 1.00 ppm solution 
B) a 1.00% solution 
C) a 1.00ppb solution 
D) an 18.00% solution 
E) cannot tell from the given information

Question 18

Which of these substances would exhibit dipole forces?

Accepted Answer

A) NCl3 
B) Cl2 
C) SiH4 
D) CCl4 
E) CO2 
A) NCl3 
B) Cl2 
C) SiH4 
D) CCl4 
E) CO2

Question 19

Drinking water contains 175 ppm of dissolved CaCO3 per liter. How many grams of CaCO3 are in 2.00 L of water?

Accepted Answer

A) 0.0035 g 
B) 0.0175 g 
C) 0.035 g 
D) 0.175 g 
E) 0.350 g 
A) 0.0035 g 
B) 0.0175 g 
C) 0.035 g 
D) 0.175 g 
E) 0.350 g

Question 20

"Blue baby" is caused the presence of which of the following in drinking water?

Accepted Answer

A) benzene 
B) nitrogen 
C) organic contaminants 
D) biological contaminants 
E) nitrates 
A) benzene 
B) nitrogen 
C) organic contaminants 
D) biological contaminants 
E) nitrates

Which of these correctly describes solids with a well-ordered structure?

The point at which a liquid is converted to a gas is known as the ____.

Which of these is not a method for measuring the concentration of a solution?

Which of these types of water contamination pose immediate health risks upon consumption?

Which of these substances is polar?

Which substance has the lowest boiling point?

Which of these is \are not a unique property \properties of water? I. Expands when it freezes II. Nonpolar molecules III. A good solvent

Which of these describes the process by which a liquid molecule at the surface of a liquid escapes to the gas phase?

Which of these is an organic contaminant?

Which substance has the highest boiling point?

Which of these is not a unit for measuring the concentration of solutions?

What percentage of the world's sickness is caused by water-borne diseases?

Which of these is not a disadvantage of "hard water"?

A 4.50 L sample of sea water which contains 32.7 mg of strontium. Determine the concentration of strontium in mg\L.

Which of these substances would exhibit dipole forces?

What is the concentration in molarity when 10.00 grams of K₃PO₄ is dissolved in H₂O to give 350. mL of solution? (molar mass of K₃PO₄ = 212.3 g\mol)

A 1.00 M solution is equivalent to:

Which of these substances would exhibit dipole forces?

Drinking water contains 175 ppm of dissolved CaCO₃ per liter. How many grams of CaCO₃ are in 2.00 L of water?

"Blue baby" is caused the presence of which of the following in drinking water?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Exam 12: The Liquids and Solids Around Us: Especially Water

Which of these correctly describes solids with a well-ordered structure?

The point at which a liquid is converted to a gas is known as the ____.

Which of these is not a method for measuring the concentration of a solution?

Which of these types of water contamination pose immediate health risks upon consumption?

Which of these substances is polar?

Which substance has the lowest boiling point?

Which of these is \are not a unique property \properties of water? I. Expands when it freezes II. Nonpolar molecules III. A good solvent

Which of these describes the process by which a liquid molecule at the surface of a liquid escapes to the gas phase?

Which of these is an organic contaminant?

Which substance has the highest boiling point?

Which of these is not a unit for measuring the concentration of solutions?

What percentage of the world's sickness is caused by water-borne diseases?

Which of these is not a disadvantage of "hard water"?

A 4.50 L sample of sea water which contains 32.7 mg of strontium. Determine the concentration of strontium in mg\L.

Which of these substances would exhibit dipole forces?

What is the concentration in molarity when 10.00 grams of K3PO4 is dissolved in H2O to give 350. mL of solution? (molar mass of K3PO4 = 212.3 g\mol)

A 1.00 M solution is equivalent to:

Which of these substances would exhibit dipole forces?

Drinking water contains 175 ppm of dissolved CaCO3 per liter. How many grams of CaCO3 are in 2.00 L of water?

"Blue baby" is caused the presence of which of the following in drinking water?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

What is the concentration in molarity when 10.00 grams of K₃PO₄ is dissolved in H₂O to give 350. mL of solution? (molar mass of K₃PO₄ = 212.3 g\mol)

Drinking water contains 175 ppm of dissolved CaCO₃ per liter. How many grams of CaCO₃ are in 2.00 L of water?