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- 2.
Which is true?
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PH of less than 7 is basic; pH of more than 7 is acidic
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PH of less than 7 is acidic; pH of more than 7 is basic
Correct Answer
A. pH of less than 7 is acidic; pH of more than 7 is basic -
- 3.
Which of the following statements is true concerning acids and bases?
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Acids and bases don't react with each other
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Acids mixed with bases neutralize each other
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Acids mixed with bases make stronger bases
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Acids mixed with bases make stronger acids
Correct Answer
A. Acids mixed with bases neutralize each other -
- 4.
Which solution has the greatest concentration of hydroxide ions (OH-)?
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Urine (pH 6.0)
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Rainwater (pH 5.5)
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Tomato juice (pH 4.0)
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Gastric juice (pH 2.0)
Correct Answer
A. Urine (pH 6.0) -
- 5.
If a solution has 640,000 OH- at a pH of 8, how many OH- would there be at a pH of 9?
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6,400
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64,000,000
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6,400,000
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64,000
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640
Correct Answer
A. 6,400,000 -
- 6.
As part of an experiment, a student adds 10 mL of 5% hydrochloric acid solution to 100 mL of a non-buffered, colorless solution of sugar. What is the most likely result?
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The concentration of hydroxide ions (OH-) will increase.
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The concentration of hydrogen ions (H+) will increase.
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The pH will not change.
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The pH will increase.
Correct Answer
A. The concentration of hydrogen ions (H+) will increase. -
- 7.
Which is the correct set of acid properties?
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Sour taste, corrosive, change litmus from red to blue
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Sour taste, corrosive, change litmus from blue to red
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Sweet taste, slippery, change litmus from blue to red
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Sour taste, slippery, change litmus from blue to red
Correct Answer
A. Sour taste, corrosive, change litmus from blue to red -
- 8.
When the pH in a stomach increases from 2 to 4, how does the hydrogen ion concentration change?
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It increases by a factor of 2.
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It increases by a factor of 100.
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It decreases by a factor of 2.
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It decreases by a factor of 100.
Correct Answer
A. It decreases by a factor of 100. -
- 9.
If a solution has 345,000 H+ at a pH of 3, how many H+ would there be at a pH of 5?
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345
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3,450
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34,500,000
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3,450,000
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34,500
Correct Answer
A. 3,450 -
- 10.
If a solution has 2,800 H+ at a pH of 8, how many H+ would there be at a pH of 5?
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280
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2.80
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28,000
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280,000
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2,800,000
Correct Answer
A. 2,800,000 -
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Current Version
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Apr 08, 2022Quiz Edited by
ProProfs Editorial Team -
Sep 15, 2014Quiz Created by
Hbhutta
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