Question 1

Filtration is

Accepted Answer

A)  a process in which the more volatile liquid is boiled off. 
B)  dissolving a solid into a liquid. 
C)  separating a solid from a liquid by pouring off the liquid. 
D)  pouring a mixture through a filter paper to separate the solid from the liquid. 
E)  heating a mixture of two solids to fuse them together. 
A)  a process in which the more volatile liquid is boiled off. 
B)  dissolving a solid into a liquid. 
C)  separating a solid from a liquid by pouring off the liquid. 
D)  pouring a mixture through a filter paper to separate the solid from the liquid. 
E)  heating a mixture of two solids to fuse them together.

Question 2

Identify the crystalline solid.

Accepted Answer

A)  plastic 
B)  cloth 
C)  diamond 
D)  water 
E)  coffee 
A)  plastic 
B)  cloth 
C)  diamond 
D)  water 
E)  coffee

Question 3

Identify the composition of diamond.

Accepted Answer

A)  carbon atoms 
B)  boron atoms 
C)  nitrogen atoms 
D)  chlorine atoms 
E)  silicon atoms 
A)  carbon atoms 
B)  boron atoms 
C)  nitrogen atoms 
D)  chlorine atoms 
E)  silicon atoms

Question 4

Define random error.

Accepted Answer

Random error has an

Question 5

Define energy.

Accepted Answer

Energy is

Question 6

Choose the heterogeneous mixture from the list below.

Accepted Answer

A)  sports drink 
B)  fluorine gas 
C)  tea 
D)  lasagna 
E)  carbon (graphite) 
A)  sports drink 
B)  fluorine gas 
C)  tea 
D)  lasagna 
E)  carbon (graphite)

Question 7

Which of the following statements about the phases of matter is TRUE?

Accepted Answer

A)  In both solids and liquids, the atoms or molecules pack closely to one another. 
B)  Solids are highly compressible. 
C)  Gaseous substances have long-range repeating order. 
D)  There is only one type of geometric arrangement that the atoms or molecules in any solid can adopt. 
E)  Liquids have a large portion of empty volume between molecules. 
A)  In both solids and liquids, the atoms or molecules pack closely to one another. 
B)  Solids are highly compressible. 
C)  Gaseous substances have long-range repeating order. 
D)  There is only one type of geometric arrangement that the atoms or molecules in any solid can adopt. 
E)  Liquids have a large portion of empty volume between molecules.

Question 8

Household ammonia is an example of

Accepted Answer

A)  a compound. 
B)  an element. 
C)  a heterogeneous mixture. 
D)  a homogeneous mixture. 
A)  a compound. 
B)  an element. 
C)  a heterogeneous mixture. 
D)  a homogeneous mixture.

Question 9

Identify absolute zero.

Accepted Answer

A)  212 degrees Fahrenheit 
B)  0.00 degrees Celsius 
C)  -273 degrees Celsius 
D)  None of the above 
A)  212 degrees Fahrenheit 
B)  0.00 degrees Celsius 
C)  -273 degrees Celsius 
D)  None of the above

Question 10

Dalton's Atomic Theory states

Accepted Answer

A)  that all elements have several isotopes. 
B)  that matter is composed of small indestructible particles. 
C)  that the properties of matter are determined by the properties of atoms. 
D)  that energy is neither created nor destroyed during a chemical reaction. 
E)  that an atom is predominantly empty space. 
A)  that all elements have several isotopes. 
B)  that matter is composed of small indestructible particles. 
C)  that the properties of matter are determined by the properties of atoms. 
D)  that energy is neither created nor destroyed during a chemical reaction. 
E)  that an atom is predominantly empty space.

Question 11

A flash drive contains 4 gigabytes.How many bytes does it contain?

Accepted Answer

4,000,000,000 bytes

Question 12

Which of the following is the highest temperature?

Accepted Answer

A)  42°C 
B)  61°F 
C)  365 K 
D)  All of these temperatures are all equal. 
A)  42°C 
B)  61°F 
C)  365 K 
D)  All of these temperatures are all equal.

Question 13

Choose the homogeneous mixture from the list below.

Accepted Answer

A)  cola 
B)  mud 
C)  ice water 
D)  a tree 
E)  salsa 
A)  cola 
B)  mud 
C)  ice water 
D)  a tree 
E)  salsa

Question 14

Choose the compound from the list below.

Accepted Answer

A)  silver 
B)  methanol 
C)  helium 
D)  tin 
E)  sodium 
A)  silver 
B)  methanol 
C)  helium 
D)  tin 
E)  sodium

Question 15

Identify a gas.

Accepted Answer

A)  definite volume and definite shape 
B)  definite volume and no definite shape 
C)  definite shape and no definite volume 
D)  no definite shape and no definite volume 
A)  definite volume and definite shape 
B)  definite volume and no definite shape 
C)  definite shape and no definite volume 
D)  no definite shape and no definite volume

Question 16

A person is 64.00 inches tall.How tall is she in cm?

Accepted Answer

A)  162.6 cm 
B)  25.20 cm 
C)  25.60 cm 
D)  204.0 cm 
E)  136.0 cm 
A)  162.6 cm 
B)  25.20 cm 
C)  25.60 cm 
D)  204.0 cm 
E)  136.0 cm

Question 17

Decanting is

Accepted Answer

A)  a process in which the more volatile liquid is boiled off. 
B)  dissolving a solid into a liquid. 
C)  separating a solid from a liquid by pouring off the liquid. 
D)  pouring a mixture through a filter paper to separate the solid from the liquid. 
E)  heating a mixture of two solids to fuse them together. 
A)  a process in which the more volatile liquid is boiled off. 
B)  dissolving a solid into a liquid. 
C)  separating a solid from a liquid by pouring off the liquid. 
D)  pouring a mixture through a filter paper to separate the solid from the liquid. 
E)  heating a mixture of two solids to fuse them together.

Question 18

If a room requires 25.4 square yards of carpeting,what is the area of the floor in units of ft2? (3 ft.= 1 yd.)

Accepted Answer

A)  76.2 ft2 
B)  8.47 ft2 
C)  152.4 ft2 
D)  229 ft2 
E)  64.5 ft2 
A)  76.2 ft2 
B)  8.47 ft2 
C)  152.4 ft2 
D)  229 ft2 
E)  64.5 ft2

Question 19

Two or more substances in variable proportions,where the composition is constant throughout are

Accepted Answer

A)  a compound. 
B)  an element. 
C)  a heterogeneous mixture. 
D)  a homogeneous mixture. 
E)  a crystalline solid. 
A)  a compound. 
B)  an element. 
C)  a heterogeneous mixture. 
D)  a homogeneous mixture. 
E)  a crystalline solid.

Question 20

A substance composed of two or more elements in a fixed,definite proportion is

Accepted Answer

A)  a homogeneous mixture. 
B)  a heterogeneous mixture. 
C)  a compound. 
D)  a solution. 
E)  an alloy. 
A)  a homogeneous mixture. 
B)  a heterogeneous mixture. 
C)  a compound. 
D)  a solution. 
E)  an alloy.

Exam 1: Matter, measurement, and Problem Solving

Filtration is

Identify the crystalline solid.

Identify the composition of diamond.

Define random error.

Define energy.

Choose the heterogeneous mixture from the list below.

Which of the following statements about the phases of matter is TRUE?

Household ammonia is an example of

Identify absolute zero.

Dalton's Atomic Theory states

A flash drive contains 4 gigabytes.How many bytes does it contain?

Which of the following is the highest temperature?

Choose the homogeneous mixture from the list below.

Choose the compound from the list below.

Identify a gas.

A person is 64.00 inches tall.How tall is she in cm?

Decanting is

If a room requires 25.4 square yards of carpeting,what is the area of the floor in units of ft2? (3 ft.= 1 yd.)

Two or more substances in variable proportions,where the composition is constant throughout are

A substance composed of two or more elements in a fixed,definite proportion is

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

If a room requires 25.4 square yards of carpeting,what is the area of the floor in units of ft²? (3 ft.= 1 yd.)