AnswersIL-Physical Science A-CRAcids and Bases in Solution

Acids and Bases in Solution Answers

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1
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Which refers to a measure of how acidic or basic a solution is?

A
pH
B
solubility
C
reactiveness
D
hardness
2
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The equation shows reactants to a neutralization reaction.Ca2+ + OH– + H+ + NO

Question illustration
A
H+ binds with NO to make a salt.
Option A
B
H+ binds with Ca2+ to make an acid.
C
H+ binds with OH– to make water.
D
H+ binds with Ca2+ to make a base.
3

Heartburn is a form of indigestion felt as a burning sensation in the chest when stomach acid comes back up into the esophagus. Some people take an antacid to relieve heartburn.

A
The antacid is basic and will neutralize the base entering the esophagus.
B
The antacid is basic and will neutralize the acid entering the esophagus.
C
The antacid is acidic and will raise the pH of the esophagus.
D
The antacid is acidic and will lower the pH of the esophagus.
4

Which product contains a strong base that would most likely completely dissolve in water?

A
drain cleaner
B
ammonia
C
baking soda
D
antacid
5

Which solution has the greatest number of hydroxide ions?

A
baking soda, pH = 9
B
milk, pH = 6
C
tomato juice, pH = 3.5
D
vinegar, pH = 2
6

What is the pH of a solution that has the same number of hydrogen ions as hydroxide ions?

A
0
B
1
C
7
D
14
7

Carla is using a fertilizer that contains nitric acid. How is nitric acid classified?

A
strong acid
B
weak acid
C
strong base
D
weak base
8

A student is comparing two solutions. Solution A has a pH of 4 and solution B has a pH of 10. Which best describes the solutions?

A
Solution B is more acidic than solution A.
B
Solution A is more acidic than solution B.
C
Solution B has more hydrogen ions than solution A.
D
Solution A has more hydroxide ions than solution B.
9

Apple juice has a lower pH than black coffee. Which best explains the relationship?

A
Apple juice has fewer hydrogen ions than black coffee.
B
Apple juice has more hydrogen ions than black coffee.
C
Apple juice has the same number of hydroxide ions as black coffee.
D
Apple juice has more hydroxide ions than black coffee.
10

Which is formed by positive ions from a base and negative ions from an acid?

A
salt
B
vinegar
C
soap
D
carbonate
11

Which would be least likely to completely dissolve in water?

A
hydrochloric acid
B
sulfuric acid
C
nitric acid
D
acetic acid

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