Glencoe Physical Science with Earth Science

Chapter 24: Solutions, Acids, and Bases

Standardized Test Practice

1
The pH of a concentrated solution of table salt (sodium chloride) in pure water at 25°C is _______.
A)1
B)10
C)8
D)7
2
Which of these solutions contains a weak acid?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078685540/193825/617_722_q2_q3_q4.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>

A)Y
B)W
C)X
D)Z
3
Which of these acids might be vinegar?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078685540/193825/617_722_q2_q3_q4.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>

A)W
B)X
C)Y
D)Z
4
Which of these acids could be hydrogen chloride?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078685540/193825/617_722_q2_q3_q4.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>

A)X or Z
B)X only
C)Y only
D)X, Y, or Z
5
The ions of which of these metals could be present in water that is considered soft water?
A)calcium
B)potassium
C)iron
D)magnesium
6
An unknown substance dissolves easily in water, and turns litmus paper pink. The substance is most likely a(n) _______.
A)base
B)ester
C)salt
D)acid
7
Which chemical formula shows an ion characteristic of an acid solution?
A)OH-
B)H2O+
C)H3O+
D)H3O-
8
This is the titration curve of an acid solution with a strong base solution. How many drops were required to react with all of the acid in the solution?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078685540/193825/617_722_q8_q9.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>

A)50
B)48
C)75
D)100
9
This is the titration curve of an acid solution with a strong base solution. When the pH is exactly 7, what is in the beaker besides water?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078685540/193825/617_722_q8_q9.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>

A)acid
B)base
C)salt
D)equal amounts of acid and base
10
A solution of which of these substances could be used to titrate an acetic acid solution?
A)ammonia
B)potassium nitrate
C)citric acid
D)hydrogen bromide
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe