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SCI-PS
eat-mhinshaw-acid base review
Exam not valid for Paper Pencil Test Sessions
1
[Exam ID:28S4SF
Directions: Click on the correct answers.
Look at the table.
Which substances would most likely
combine to form a salt?
H2SO4 + NaOH
HCl + NaOH
HCl + H2SO4
HNO3 + HCl
Ca(OH)2 + NaOH
2
Lemon juice tastes sour and has a pH of 2, so it is —
A a base
B a neutral
C an acid
D a salt
3
Milk has a pH that is less than pure water, but greater than coffee. What is the pH of
milk?
A 7
B 5
C 8
D 6
4
Which compound is organic?
A NaCl
B C2H2
C MgSO4
D H2O
5
Baking soda feels soapy and has a pH of 8.5, so it is —
A an acid
B a salt
C a base
D a pure substance
6
An unknown substance tastes sour and has a pH of 3. This substance must be —
A an element
B an acid
C a salt
D a base
7
Maple trees prefer soil that has a pH of 5.5 to 6.5. These trees grow best in soil that
is —
A slightly basic
B very basic
C very acidic
D slightly acidic
8
When an acid reacts with a base, all of the following are produced EXCEPT—
A water
B a salt
C a neutral substance
D a strong acid
9
NaCl is classified as —
A a base
B a salt
C an acid
D a mixture
10 A student has a liquid solution with a pH of 9. The student adds vinegar to the
solution lowering the pH to 5. What change occured in the solution?
A The solution changed from a basic solution to an acidic solution.
B The solution changed from a neutral solution to an acidic solution.
C The solution changed from an acidic solution to a basic solution.
D The solution changed from an acidic solution to a neutral solution.
11 A substance that produces hydroxide ions in solution is called –
A A base
B A neutralizer
C An atom
D An acid
12 Drag the terms to the correct place on the diagram.
Using the terms provided; correctly identify the property described.
Acid
Base
13 The flowers of a hydrangea plant turn blue when the soil is acidic and pink when the
soil is basic. These flowers must contain a substance that is —
A a base
B an indicator
C an acid
D a salt
14 A substance made from an acid and a base is —
A a salt
B an acid
C a base
D an element