Chemistry Chapter 2B (Prentice)
 
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Chemistry Chapter 2B (Prentice)

Matching
 
 
Match each item with the correct statement below.
a.
distillation
d.
compound
b.
mass
e.
element
c.
chemical reaction
f.
homogeneous
 

 1. 

amount of matter an object contains
 

 2. 

describes mixture with a uniform composition
 

 3. 

a process in which a liquid is boiled to produce a vapor that is condensed again into a liquid
 

 4. 

substance that cannot be changed into simpler substances by chemical means
 

 5. 

composed of two or more substances chemically combined in a fixed proportion
 

 6. 

process in which substances are changed into different substances
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 7. 

Which of the following is a heterogeneous mixture?
a.
vinegar in water
c.
oil and vinegar
b.
milk
d.
air
 

 8. 

Which of the following is a homogeneous mixture?
a.
salt water
c.
sand and water
b.
beef stew
d.
soil
 

 9. 

Separating a solid from a liquid by evaporating the liquid is called ____.
a.
filtration
c.
solution
b.
condensation
d.
distillation
 

 10. 

An example of a homogeneous mixture is ____.
a.
water
c.
noodle soup
b.
stainless steel
d.
oxygen
 

 11. 

Which of the following items is NOT a compound?
a.
baking soda
c.
sucrose
b.
salad dressing
d.
table salt
 

 12. 

Which of the following is true about compounds?
a.
They can be physically separated into their component elements.
b.
They have compositions that vary.
c.
They are substances.
d.
They have properties similar to those of their component elements.
 

 13. 

A substance that can be separated into two or more substances only by a chemical change is a(n) ____.
a.
solution
c.
mixture
b.
element
d.
compound
 

 14. 

Which of the following materials is a substance?
a.
air
c.
stainless steel
b.
gasoline
d.
silver
 

 15. 

What is one difference between a mixture and a compound?
a.
A compound consists of more than one phase.
b.
A compound can only be separated into its components by chemical means.
c.
A mixture can only be separated into its components by chemical means.
d.
A mixture must be uniform in composition.
 

 16. 

What distinguishes a substance from a mixture?
a.
Substances are compounds, and mixtures are not.
b.
Mixtures are groupings of elements, and compounds are not.
c.
Samples of the same substance can have different intensive properties.
d.
Mixtures can be separated physically, while compounds cannot.
 

 17. 

The first figure in a properly written chemical symbol always is ____.
a.
boldfaced
c.
italicized
b.
capitalized
d.
underlined
 

 18. 

Which of the following is used for chemical symbols today?
a.
drawings
c.
letters
b.
icons
d.
numbers
 

 19. 

The chemical symbol for iron is ____.
a.
fe
c.
Fe
b.
FE
d.
Ir
 

 20. 

Which of the following represents a compound?
a.
H
c.
H2O
b.
H-3
d.
O-16
 

 21. 

The chemical formula of a compound does NOT indicate the ____.
a.
identity of the elements in the compound
b.
how elements are joined in the compound
c.
the composition of the compound
d.
relative proportions of the elements in the compound
 

 22. 

What do chemical symbols and formulas represent, respectively?
a.
elements and compounds
b.
atoms and mixtures
c.
compounds and mixtures
d.
elements and ions
 

 23. 

Which substance has a chemical symbol that is derived from a Latin name?
a.
calcium
c.
oxygen
b.
hydrogen
d.
potassium
 

 24. 

Which of the following is a chemical property?
a.
color
c.
freezing point
b.
hardness
d.
ability to react with oxygen
 

 25. 

In the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a reactant?
a.
sucrose
c.
water
b.
carbon dioxide
d.
heat
 



 
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