WorksheetsAcids and Base 6th Grade
Total questions: 38
Worksheet time: 47mins
Name
Class
Date
1.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
2.
Bases are what range on the pH scale?
a)
0-6.99
b)
7
c)
7.1-14
d)
0-14
3.
When found in food, acids are ________
a)
Sour
b)
Bitter
c)
Salty
d)
Slippery
4.
When found in food, bases are _______.
a)
Sour
b)
Bitter
c)
Salty
d)
Soggy
5.
Drain cleaner has a pH of 13. What is drain cleaner?
a)
An acid.
b)
A strong base.
c)
Neutral.
d)
A weak base.
6.
Which of these substances is acidic?
a)
tap water
b)
lemon
c)
ammonia
d)
baking soda
7.
A pH scale is...
a)
A corrosive substance that says a substance is an acid.
b)
An indicator that tells if a substance is an acid or base.
c)
A blue litmus paper.
d)
A red litmus paper.
8.
What is a property of bases?
a)
Slippery touch
b)
Sour taste
c)
Ability to dissolve metal
d)
Ability to form hydronium ions
9.
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.
10.
Soaps contain acids.
a)
False
b)
True
11.
Acids react with some metals to produce hydrogen gas.
a)
True
b)
False
12.
Pure water is a strong base.
a)
True
b)
False
13.
Neutralization reaction results in a salt and water.
a)
True
b)
False
14.
Vinegar is a base.
a)
False
b)
True
15.
Bases feel slippery.
a)
True
b)
False
16.
Sink drain cleaners contain strong bases
a)
True
b)
False
17.
Acids will not conduct an electric current.
a)
True
b)
False
18.
Bases will conduct an electric current.
a)
True
b)
False
19.
Which of the following would be a moderately strong acid?
a)
7
b)
9.3
c)
5.8
d)
2.1
20.
Which of the following pH's represent bases (alkaline solutions)?
a)
9.4
b)
7
c)
5.89
d)
1.2
21.
What is a neutralization reaction?
a)
any synthesis reaction
b)
any decomposition reaction
c)
a reaction between an acid and a base
22.
What is the pH of water?
a)
11
b)
4
c)
7
23.
Which of the following describes a battery?
a)
Acid
b)
Base
24.
You can eat or drink an acid.
a)
True
b)
False
25.
Which of the following statements about acids is true?
a)
They taste sweet.
b)
They taste sour.
c)
They have a pH between 8-14.
26.
why are acids not stored in metal containers?
a)
because they react with metals
b)
because they hate metals
c)
a and b
d)
none of the above
27.
2. This is an example of an acid and base reaction
a)
NH3
b)
NaOH
c)
NaCl
d)
HNO3
28.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
29.
Which of the following is most likely to be basic:
a)
Lemon juice
b)
Vinegar
c)
Laundry detergent
d)
Coke
30.
Forms hydroxide ions (OH-) in water
a)
Acids
b)
Bases
c)
All
31.
If the pH of a solution is 9, it is a....
a)
acid
b)
base
c)
both
d)
none
32.
If a solution falls as a 10 on the PH scale, it would be a(n) _____
a)
acid
b)
base
c)
neutral
33.
If a solution falls on 2 on the PH scale, it would be an____
a)
acid
b)
base
c)
neutral
34.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
35.
Which of the following is a basic solution?
a)
household ammonia
b)
HCl dissolved in water
c)
Vinegar
d)
Pure water
36.
Values from 0-14 that determine the acidity of a solution
a)
Molarity
b)
Electronegativity
c)
pH scale
d)
Solubility
37.
Forms hydronium ions in water.
a)
Acids
b)
Bases
c)
All
38.
Which of these solutions is an acid?
a)
Dish Soap: pH of 12
b)
Tomato Soup: pH of 4
c)
Baking Soda: pH of 9
d)
Drain Cleaner: pH of 14
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