AnswersChemistry A.1 - F26 - Jacob MetskerLab: Calorimetry and Specific Heat

Properties of Acids and Bases Answers

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When does phenolphthalein turn pink?

A
in the presence of a base
B
in the presence of an acid
C
when it is in a neutral solution
D
when it is reacting with a metal
5

The reaction below demonstrates which characteristic of a base?

Question illustration
A
the ability of bases to release sodium ions into solution
B
the ability of bases to release hydrogen ions into solution
C
the ability of a base to react with carbonate or bicarbonate
D
the ability of a base to react with a soluble metal salt
6

Which statement would indicate the presence of an acid?

A
It tastes bitter..
B
It does not react with active metals.
C
It reacts with active metals to form a gas.
D
It does not change the color of litmus paper
7

Which compound plays an important role in leather processing and electroplating?

A
nitric acid
B
hydrochloric acid
C
ammonia
D
magnesium hydroxide
9

Which pair of substances would most likely result in the production of a solid when reacting with a base?

A
litmus and phenolphthalein
B
soluble metal salt and carbon dioxide
C
acids and water
D
hydrogen ions and soaps
10

What is a base used in deodorants?

A
sorbitol
B
carrageenan
C
magnesium hydroxide
D
sodium lauryl sulfate
13

Which is a property of acids in aqueous solutions?

A
They feel soapy.
B
They taste bitter.
C
They increase the concentration of H+ ions.
D
They decrease the concentration of H+ ions.
14

Which is a characteristic of a strong base?

A
It turns pink phenolphthalein colorless.
B
It turns blue litmus paper red.
C
It releases H+ ions into a solution.
D
It removes H+ ions from solution.
15

H2CO3 is used in soft drinks. What is the name of this compound?

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

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