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ACIDS / BASES

Total questions: 19

Worksheet time: 51mins

Name
Class
Date
1.

Which of the following statements is true concerning acids and bases?

a)

acids and bases don't react with each other

b)

acids mixed with bases neutralize each other

c)

acids mixed with bases make stronger bases

d)

acids mixed with bases make stronger acids

2.

True or false: bases are sometimes called alkaline.

a)

True

b)

False

3.

Neutral solutions have a pH of:

a)

0

b)

1

c)

7

d)

14

4.

True or false: a neutral solution has equal amounts of H+ and OH-.

a)

True

b)

False

5.

Which is true?

a)

pH of less than 7 is basic; pH of more than 7 is acidic

b)

pH of less than 7 is acidic; pH of more than 7 is basic

6.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

7.

Ammonia is found in many household products, including window cleaner. What is the pH of ammonia?

a)

It's acidic.

b)

It's basic.

c)

It's neutral.

8.

Vinegar is an example of:

a)

An acid.

b)

A base.

c)

Neither an acid nor a base.

9.

Weaker bases have a pH closer to...

a)

8

b)

0

c)

14

d)

4

10.

Stronger acids have a pH closer to...

a)

7

b)

0

c)

14

d)

9

11.

What is the only substance with a neutral pH of 7?

a)

Milk

b)

Orange Juice

c)

Pure water

d)

Bleach

12.

Which of the following is an acid?

a)

soap

b)

baking soda

c)

orange juice

d)

pure water

13.

What would be considered the weakest base?

a)

3

b)

14

c)

8.2

d)

11.6

14.

Ammonia has a pH of 11. Ammonia is __________.

a)

an acid

b)

a base

c)

an element

d)

a metal

15.
Ranging from 0 to 14, a pH value indicates how acidic or basic a solution is.  Which of these pH values would be a strong acid?
a)
2
b)
6
c)
9
d)
13
16.

What type of paper is used to test for acids and bases?

a)

Red paper

b)

Blue paper

c)

Lined paper

d)

Litmus paper

17.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
18.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
19.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide