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WorksheetspH Balance (Acids & Bases)
Total questions: 25
Worksheet time: 24mins
Name
Class
Date
1.
What is the most likely pH of a tube of toothpaste?
a)
3
b)
5
c)
7
d)
10
2.
Which of these substances is acidic?
a)
tap water
b)
lemon
c)
ammonia
d)
baking soda
3.
What might happen if you mixed a strong acid with an equally strong base?
a)
You would see an explosive chemical reaction.
b)
The acid would destroy the base.
c)
The base would destroy the acid.
d)
You'd wind up with a pH-neutral substance.
4.
An extremely strong base would have a pH of:
a)
1
b)
7
c)
9
d)
14
5.
This piece of pH paper has been dipped into:
a)
An acid
b)
A base
c)
A pH-neutral substance
d)
A buffer
6.
What might happen if acidic chemicals were emitted into the air by factories? Choose the best answer.
a)
The acid would destroy metallic elements in the air.
b)
The acid would be neutralized by bases within clouds.
c)
Acid rain might destroy ecosystems and farmland.
d)
Violent chemical reactions would take place within the atmosphere.
7.
Healthy environments for life have a pH closest to:
a)
1
b)
3
c)
7
d)
10
8.
Which of the following substances is basic?
a)
soda
b)
lemon juice
c)
soap
d)
vinegar
9.
What is a property of bases?
a)
Slippery touch
b)
Sour taste
c)
Ability to dissolve metal
d)
Ability to form hydronium ions
10.
How do acidic solutions taste?
a)
Delicious
b)
Sweet
c)
Bitter
d)
Sour
11.
Which of the following substances is basic?
a)
Apple juice
b)
Ginger ale
c)
Baking soda
d)
Distilled water
12.
pH stands for:
a)
Potency of hydrogen
b)
Plurality of hydrogen
c)
Potential of hydrogen
d)
Pleurisy of hydrogen
13.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
14.
Pure water is _______ on the pH scale.
a)
Acid
b)
Base
c)
Neutral
15.
Values from 0-14 that determine the acidity of a solution
a)
Molarity
b)
Electronegativity
c)
pH scale
d)
Solubility
16.
What is the range of pH values in an acidic solution?
a)
0-6
b)
8-14
c)
15-239058204958
d)
pH = 7
17.
Pollution causes the pH of rain water fall below 6. What is such type of rain called?
a)
Acid rain
b)
polluted rain
c)
low pH rain
18.
If the pH of a solution is 9, it is a....
a)
acid
b)
base
c)
both
d)
none
19.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
20.
What is the range of pH values in an alkali (basic) solution?
a)
0-6
b)
8-14
c)
15-239058204958
d)
pH = 7
21.
Photosynthesis occurs in which organelle?
a)
Nucleus
b)
Vacuole
c)
Chloroplast
d)
Mitochondria
22.
Cellular Respiration occurs in which organelle?
a)
Nucleus
b)
Vacuole
c)
Chloroplast
d)
Mitochondria
23.
Which is product of photosynthesis?
a)
carbon dioxide
b)
water
c)
glucose
d)
sunlight
24.
Are plant cells able to carry out cellular respiration?
a)
Yes
b)
No
25.
Are animal cells able to carry out photosynthesis?
a)
Yes
b)
No
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