WorksheetsAcids and Bases
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
How is a standard hydrogen atom different from a hydrogen ion?
a)
a hydrogen ion has an extra electron.
b)
a hydrogen ion is missing an electron.
c)
a hydrogen ion has an extra proton.
d)
a hydrogen ion is missing a proton.
2.
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.
3.
What might happen if buffers did not exist within the human body?
a)
Our blood and other bodily fluids might become too acidic or basic.
b)
Our stomach acid would not be able to break down food.
c)
We would not be able to process glucose within our cells.
d)
We would not be able to inhale oxygen into our lungs.
4.
What happens immediately after you dissolve acid in water?
a)
Positively charged hydrogen atoms are released.
b)
Hydronium ions are released.
c)
Negatively charged hydrogen atoms are released.
d)
Neutrally charged hydrogen atoms are released.
5.
What do acids and bases have in common?
a)
They both eat away at metal.
b)
They can both conduct electricity.
c)
They both have a sour taste.
d)
They both form positively charged ions when dissolved in water.
6.
Which is the most likely pH for a solution of a weak acid?
a)
1
b)
5
c)
11
d)
14
7.
Which pH value indicates the most basic solution?
a)
7
b)
8
c)
3
d)
11
8.
The cation in an acid is always
a)
a metal
b)
hydrogen
c)
hydroxide
d)
negatively charged
9.
Acids will neutralize a base, and bases will neutralize acids. If you add a base to a solution containing a strong acid, what will happen to the pH of the solution?
a)
The pH will increase.
b)
The pH will decrease.
c)
The pH will stay the same.
10.
HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?
a)
Acid
b)
Base
c)
Neither (Neutral)
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