Test Bank for Chemistry Principles and Practice 3e Daniel Reger, Scott Goode, David Ball (All Chapters)
Note: This test bank has total 22 chapters, and
2724 test questions, all test questions are divided by chapter number. Correct answers are marked with *.Some Symbols/Images are missing in extraction, it is due to test program file problem, but 90% test questions are perfect and clear. 1 / 4
Chapter 1
- Which of the following studies is not considered to be "Chemistry?"
- Studying the interactions between energy and matter.
- Classifying elements into metallic, nonmetallic or
- Studying the interactions between matter an d other matter
- Removing harmful impurities from a synthetic drug.
semimetallic.
*e. Separating the light spectrum into its component colors.
- Which does not represent a scientific investigation?
- Weighing the results of an experiment to obtain quantitative
- Graphing the mass of a product as a function of the mass of
- Determining the temperature at which the maximal amount of
- Trying different conditions if an initial experiment fails.
data.*b. Weighing lab reports on a chemical balance to determine the grade.
the starting material.
product is obtained.
- Which of the following is correctly classified as a hypothesis?
- "The sun will rise in the East today."
- "Our team is better than theirs."
- "Cookies will turn brown when baked."
- "My book is better than yours."
*b. "Global warming is a result of the increased carbon dioxide concentration in the atmosphere."
- All of the following are properties of Magnesium. Which would be
considered a chemical property of magnesium?
- Magnesium burns in air to produce a white
substance known as magnesium oxide.II. Magnesium dissolves in acidic water to produce hydrogen gas.III. The density of magnesium is 1.738 g/mL.
- I
- II
- III
- all of these
*d. I and II
- / 4
- The following are properties of sodium metal. Which would be
considered a chemical property of sodium metal?
- Sodium is a silvery -white metal
- Sodium has a melting point of 98 C
- Sodium has a density equal to 0.968 g/mL.
- Sodium metal is drawn into a magnetic field.
*d. Sodium reacts with water v iolently to produce hydrogen gas.
- All of the following are properties of carbon dioxide, CO
2 . Which of the following is a chemical property of this substance?
*a. It reacts with water to form carboni c acid.
- It is a colorless gas at room temperature and 1 atm pressure.
- It is a solid below −78 C.
- Its density as a solid equals 1.35 g/mL.
- None of these is a chemical property.
- Of the three properties listed below, which ones are inte nsive
properties?
- mass
II. density III. color
- I and II
- II only
- I only
- I, II, and III
*b. II and III
- "A 33 g sample of red liquid at its freezing point of 260 K had a
density of 0.926 g/mL." Which of the properties given in the previous statement is extensive?
*a. 33 g
- red
- freezing point
- 260 K
- 0.926 g/mL
- Which of the following is not a physical change?
- ice melting
- dry ice subliming
- a light-bulb glowing
*d. beef cooking 3 / 4
- distilling alcohol
- Which of the following is not a chemical change?
- developing a film
- eating beef
- extinguishing a fire
- frying an egg
*b. refrigerating milk
- Which of the following is considered a chemical change?
- Beef is browned by he ating in a skillet.
- A blackberry changes colors from red to black.
- Addition of hydrogen peroxide to an open cut produces a white
- a and b
liquid and fizzing.
*e. all of these.
- Which of the following would be considered a chemical change?
- Frost forms on the window
II. A Silver fork tarnishes III. Toasting a slice of bread.
- I only
- I and II
- I and III
- All of these
*d. II and III
- Which of the following would be considered a physical change?
- gasoline burning
- food spoiling
- iron rusting
- a battery discharging
*b. salt dissolving in water
- Which of the following processes is considered a chemical change?
- Corrosion of aluminum metal
- / 4
II. Digesting a candy bar.III. Melting of ice.