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Science 6 Chapter 5 Test B
Test Description: Acids and Bases
Instructions: Answer all questions to get your test result.
1) A mixture containing particles that are too small to be seen easily but large enough to scatter a beam of light is called a
A
solution
B
salt water
C
suspension
D
colloid
2) Because water molecules are polar, ionic and polar compounds will ___________ in water.
A
dissolve
B
neutralize
C
dilute
D
corrode
3) Acids eat away at other materials, so we call acids...
A
concentrated
B
corrosive
C
indicators
D
neutralizers
4) Which acid is made by the stomach to aid in digestion?
A
boric acid
B
hydrochloric acid
C
sulfuric acid
D
acetic acid
5) Which of these would turn red litmus paper blue?
A
a neutral substance
B
any base
C
vinegar
D
any acid
6) The products of a neutralization reaction are
A
hydrogen gas and water
B
water and salts
C
hydroxide ions and water
D
acids and bases
7) Which of these does NOT affect the solubility of a substance?
A
temperature
B
type of solvent
C
pressure
D
time
8) Geologists use which substances to help identify rocks?
A
substances with high pH levels (13-14)
B
acids
C
neutral solutions
D
bases
9) Bases taste...
A
sour
B
bitter
C
sweet
D
salty
10) Which of these will always be formed by a base when dissolved in water?
A
hydrogen ions (H+)
B
hydroxide ions (OH-)
C
carbonate ions (CO3-)
D
potassium ions (K+)
*select an answer for all questions
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