DO
NOT WRITE ON THIS QUIZ
Part
1: Short Answers (10 points total, 2 points each) – A couple of words to 1
sentence in length
Read the questions carefully and answer on the answer
sheet provided.
1. Why
are acids important to humans?
2. What
is an acid?
3. What
is an acid-base reaction?
4. Water
generally is not thought of as being acid or ________________, but
__________________.
5. What
happens when lime comes in contact with water in the soil?
Part
2: Multiple Choice (10 points total, 2 points each)
Read the questions carefully and record the letter
with the correct number on the answer sheet provided.
1. By
weight, ocean water is about what percent salt?
a. 5%
b. 8%
c. 13%
d. 3%
2. C6H8O6
is?
a. Carbonic
acid
b. Formic
acid
c. Ascorbic
acid
d. Mandelic
acid
3. A
buffer is a substance capable of maintaining a constant pH even when small
amounts of acid or base are added to the solution. What solution has a constant pH of 7.4 due to
having buffers?
a. Juice
b. Rain
water
c. Blood
d. Rubbing
alcohol
4. Ca(OH)2
can be found where?
a. Brick
mortar
b. Antacid
c. Aspirin
d. Bee
sting
5. The
higher the pH number, the more __________________ is a liquid.
Strong bases have a pH number of
_____, _______ or ________.
Pure, unpolluted water should have a
pH number of ______.
The lower the pH number, the more
_______________ is a liquid.
Name: KEY
Date: _______________
Class: _____________________
Score: ______/20 points
Answer Sheet
Part
1: Short Answers (10 points total, 2 points each) – A couple of words to 1
sentence in length
Record your answer below.
1.
B/c they digest food
2.
Acid: a substance that
produces one or more hydronium ion in water.
3.
Neutralization
4.
Alkaline, neutral
5.
Calcium hydroxide is formed
Part
2: Multiple Choice (10 points total, 2 points each)
Record the letter with the correct number below.
1.
D
2.
C
3.
C
4.
A
5.
Alkaline
12, 13 or 14
7
Acidic
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