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Acid-Base-pH + P & C-Change Final

Total questions: 50

Worksheet time: 26mins

Name
Class
Date
1.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

2.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

3.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

4.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

5.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

6.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

7.

Fireworks Exploding


Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

8.

Mixing vinegar and baking soda creates bubbles


Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

9.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

10.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

11.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

12.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

13.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

14.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

15.

Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

16.

Body digesting food


Chemical Change or Physical Change

a)

Chemical Change

b)

Physical Change

17.

What type of indicator is pictured?

a)

pH paper

b)

Phenolphthalein

c)

Litmus paper

d)

Cabbage Juice

18.

What type of indicator is pictured?

a)

pH paper

b)

Phenolphthalein

c)

Litmus paper

d)

Cabbage Juice

19.

What type of indicator is pictured?

a)

pH paper

b)

Phenolphthalein

c)

Litmus paper

d)

Cabbage Juice

20.

What type of indicator is pictured?

a)

pH paper

b)

Phenolphthalein

c)

Litmus paper

d)

Cabbage Juice

21.

What is it?

a)

Acid

b)

Base

c)

Neutral

22.

What is it?

a)

Acid

b)

Base

c)

Neutral

23.

What is it?

a)

Acid

b)

Base

c)

Neutral

24.

pH number equal to NEUTRAL

a)

1

b)

3

c)

5

d)

7

e)

9

25.

pH number equal to a strong ACID

a)

1

b)

6

c)

7

d)

8

e)

14

26.

pH number equal to a strong BASE

a)

1

b)

6

c)

7

d)

8

e)

14

27.

pH number equal to a weak BASE

a)

1

b)

6

c)

7

d)

8

e)

14

28.

pH number equal to a weak ACID

a)

1

b)

6

c)

7

d)

8

e)

14

29.

When using Phenolphthalein, a base will _______________.

a)

Turn blue

b)

Turn red

c)

Stay the same

d)

Turn a dark pink

30.

When using Phenolphthalein, an ACID will _______________.

a)

Turn blue

b)

Turn red

c)

Stay the same

d)

Turn a dark pink

31.

Which part of the body has hydrochloric acid within it?

a)

Pancreas

b)

Intestines

c)

Stomach

d)

Brain

32.

Which part of the body has a mix of bases within it?

a)

Pancreas

b)

Intestines

c)

Stomach

d)

Brain

33.

Indicator: substance that changes ________ in an acid or base.

a)

shape

b)

size

c)

color

d)

taste

34.

The body does best with a pH around ________.

a)

1.5 - 2.5

b)

6.5 - 7.5

c)

9.5 - 10.5

d)

12.5 - 13.5

35.

A base tastes ___________________.

a)

Salty

b)

Sour

c)

Sweet

d)

Bitter

36.

A acid tastes ___________________.

a)

Salty

b)

Sour

c)

Sweet

d)

Bitter

37.

Acids feel ______________ to the touch.

a)

Slippery

b)

Dry

c)

Sticky

d)

Rough

38.

Bases feel ______________ to the touch.

a)

Slippery

b)

Dry

c)

Sticky

d)

Rough

39.

Lemons and other citrus fruits.

a)

Acid

b)

Base

c)

Neutral

40.

Drinking water

a)

Acid

b)

Base

c)

Neutral

41.

Soap

a)

Acid

b)

Base

c)

Neutral

42.

It is NOT safe to taste or touch an unknown substance.

a)

True

b)

False

43.

All acids are dangerous.

a)

True

b)

False

44.

Both acids and bases can make ____________________.

a)

Fertilizer

b)

Drain cleaner

c)

Sour candy

d)

Deodorant

45.

Contain Hydroxide ions. (OH-)

a)

Acid

b)

Base

c)

Neutral

46.

Contain Hydrogen ions. H+

a)

Acid

b)

Base

c)

Neutral

47.

What will neutralize a Strong Base? (make it more neutral)

a)

Weak Base

b)

Strong Acid

c)

Weak Acid

d)

None of the above

48.

What will neutralize a WEAK Acid? (make it more neutral)

a)

Weak Base

b)

Strong Acid

c)

Weak Acid

d)

Strong Base

49.

What will neutralize a Strong Acid? (make it more neutral)

a)

Weak Base

b)

Strong Acid

c)

Weak Acid

d)

Strong Base

50.

What will neutralize a Neutral Substance? (make it more neutral)

a)

Weak Base

b)

Nothing

c)

Weak Acid

d)

Acids and bases

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