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