Acid and Bases Learning Check Review
Authored by Latrice Woods
Chemistry
9th - 12th Grade
HS-PS1-B covered
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an Arrhenius acid?
A substance that produces H+ in water.
A substance that produces OH- in water.
Answer explanation
An Arrhenius acid has a H in the beginning of its formula and produces H+ in water.
Tags
HS-PS1-B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an Arrhenius base?
A substance that produces H+ ion in water
A substance that produces OH- ion in water.
A substance that produces OH+ ion in water
A substance that produces H- ion in water.
Answer explanation
An Arrhenius base has a OH at the end of its formula and produces OH- in water.
Tags
HS-PS1-B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student tests an unknown aqueous solution and finds it conducts electricity and turns litmus paper red. What can the student infer?
The solution contains an acid.
The solution contains a base.
The solutions is neutral.
Answer explanation
Acidic solutions conduct electricity and turn litmus paper red.
Tags
HS-PS1-B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student tests an unknown aqueous solution and finds it conducts electricity and turns litmus paper blue. What can the student infer?
The solution contains an acid.
The solution contains a base.
The solutions is neutral.
Answer explanation
Basic solutions conduct electricity and turn litmus paper blue.
Tags
HS-PS1-B
5.
LABELLING QUESTION
1 min • 1 pt
Label the acid, base, conjugate acid and conjugate base.
Tags
HS-PS1-B
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of OH- ions?
vinegar
milk
water
bleach
Answer explanation
Remember OH- is another name for a base. So, another way to ask this would be: which of these is the strongest base?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaOH is a strong base.
What is the pH of a 0.01 M NaOH soltuion?
2
9
12
14
Answer explanation
pH = -log[H+]
pOH = 14 - pH
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