AnswersChemistryProperties of Acids and Bases

Properties of Acids and Bases — Quiz Answers

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1
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When does phenolphthalein turn pink?

A
in the presence of an acid
B
when it is reacting with a metal
C
in the presence of a base
D
when it is in a neutral solution
2
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cap h sub 2 CO sub 3 is used in soft drinks. What is the name of this compound?

A
sulfuric acid
B
hydrochloric acid
C
carbonic acid
D
tartaric acid
3

Which statement would indicate the presence of an acid?

A
It does not change the color of litmus paper.
B
It tastes bitter..
C
It does not react with active metals.
D
It reacts with active metals to form a gas.
4

Which is a characteristic of a strong base?

A
It removes cap h raised to the plus power ions from solution.
B
It turns blue litmus paper red.
C
It releases cap h raised to the plus power ions into a solution.
D
It turns pink phenolphthalein colorless.
5

Which is a property of acids in aqueous solutions?

A
They taste bitter.
B
They increase the concentration of cap h raised to the plus power ions.
C
They feel soapy.
D
They decrease the concentration of cap h raised to the plus power ions.
6

The main active components of bleach and many other household cleaners are

A
acids.
B
bases.
C
salts.
D
neutral.
7

What is a base used in deodorants?

A
magnesium hydroxide
B
sorbitol
C
carrageenan
D
sodium lauryl sulfate
8

Which of these acids occurs naturally in the body and performs important regulatory functions?

A
magnesium hydroxide
B
acetic acid
C
sodium hydroxide
D
carbonic acid
9

Which best defines an acid?

A
An acid has hydroxide ions.
B
An acid has more hydrogen ions in solution.
C
An acid has a pH of 7 .
D
An acid has fewer positive ions in solution.
10

Which of these substances contributes to soap’s slippery texture?

A
a base
B
an acid
C
carbonate
D
water
11

What is a base used in deodorants?

A
sorbitol
B
magnesium hydroxide
C
sodium lauryl sulfate
D
carrageenan
12

The main active components of bleach and many other household cleaners are

A
salts.
B
acids.
C
neutral.
D
bases.
13

cap h sub 2 CO sub 3 is used in soft drinks. What is the name of this compound?

A
carbonic acid
B
hydrochloric acid
C
sulfuric acid
D
tartaric acid
14

Which of these acids occurs naturally in the body and performs important regulatory functions?

A
magnesium hydroxide
B
sodium hydroxide
C
acetic acid
D
carbonic acid
15

Which statement would indicate the presence of an acid?

A
It reacts with active metals to form a gas.
B
It tastes bitter..
C
It does not change the color of litmus paper.
D
It does not react with active metals.
16

Which is a characteristic of a strong base?

A
It releases cap h raised to the plus power ions into a solution.
B
It turns pink phenolphthalein colorless.
C
It turns blue litmus paper red.
D
It removes cap h raised to the plus power ions from solution.
17

Which best defines an acid?

A
An acid has fewer positive ions in solution.
B
An acid has more hydrogen ions in solution.
C
An acid has a pH of 7 .
D
An acid has hydroxide ions.
18

Which is a property of acids in aqueous solutions?

A
They decrease the concentration of cap h raised to the plus power ions.
B
They taste bitter.
C
They feel soapy.
D
They increase the concentration of cap h raised to the plus power ions.
19

When does phenolphthalein turn pink?

A
when it is in a neutral solution
B
in the presence of an acid
C
in the presence of a base
D
when it is reacting with a metal
20

Which of these substances contributes to soap’s slippery texture?

A
water
B
an acid
C
carbonate
D
a base

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