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

Properties of Acids and Bases Answers

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H2SO4 is added to a large beaker of water. How is the solution different from the original water?

A
The solution turns blue litmus to red.
B
The solution turns phenolphthalein pink.
C
The solution has fewer hydrogen ions.
D
The solution has more hydroxide ions.
3

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
4

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

Look at the reaction below.Which substance is the acid in the reaction?

Question illustration
A
Mg(s)
B
H2(g)
C
MgSO4(aq)
D
H2SO4(aq)
6

Which of the following best defines an acid?

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

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

A
salts.
B
neutral.
C
acids.
D
bases.
8

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
9

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

A
nitric acid
B
hydrochloric acid
C
ammonia
D
magnesium hydroxide
10

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.

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