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Acid and Bases Learning Check Review

Authored by Latrice Woods

Chemistry

9th - 12th Grade

HS-PS1-B covered

Acid and Bases Learning Check Review
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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.

a
b
c
d
acid
base
conjugate acid
conjugate base

Tags

HS-PS1-B

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

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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