Properties of Acids and Bases Answers
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Consider this reaction: Which is the base in this reaction?
A
KOHB
HBrC
KBrD
H2O4
Consider this reaction: Which statement is most likely true about KOH?
A
It turns blue litmus red.B
It turns clear phenolphthalein pink.C
It reacts with metals to form hydrogen gas.5
Consider this reaction: Which statement is most likely true about HBr?
A
It turns blue litmus red.B
It reacts with carbon dioxide to form a carbonate.C
It feels slippery.6
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During a lab experiment, students are supposed to add small pieces of magnesium, aluminum, and calcium metal to concentrated hydrochloric acid in a test tube. The laboratory instructions include strong safety warnings to make sure that no sparks, open flames, or high heat sources are present in the room when students perform this experiment. Which is the most likely reason for these warnings?
A
Hydrogen gas is highly flammable.B
Heat may cause the hydrochloric acid to break down.C
Heat can cause the acid to produce a salt.10
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