Properties of Acids and Bases Answers
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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.2
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Which pair of substances would most likely result in the production of a solid when reacting with a base?
A
litmus and phenolphthaleinB
soluble metal salt and carbon dioxideC
acids and waterD
hydrogen ions and soaps3
The reaction below demonstrates which characteristic of a base?
A
the ability of bases to release sodium ions into solutionB
the ability of bases to release hydrogen ions into solutionC
the ability of a base to react with carbonate or bicarbonateD
the ability of a base to react with a soluble metal salt4
Which of these substances contributes to soap’s slippery texture?
A
an acidB
a baseC
carbonateD
water5
Look at the reaction below.Which substance is the acid in the reaction?
A
Mg(s)B
H2(g)C
MgSO4(aq)D
H2SO4(aq)6
The main active components of bleach and many other household cleaners are
A
salts.B
neutral.C
acids.D
bases.7
Look at the reaction below.Which substance is the base in the reaction?
A
2H2O (l)B
H2SO4 (aq)C
CaSO4 (aq)D
Ca(OH)2 (aq)8
When does phenolphthalein turn pink?
A
in the presence of a baseB
in the presence of an acidC
when it is in a neutral solutionD
when it is reacting with a metal9
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.10
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.Did you find these answers helpful?
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