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6.1. Acids
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What color is BTB in acidic solutions?
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1 point
Yellow
Colorless
Pink (reddish)
Green
Blue
What is formed when hydrochloric acid is protolyzed? Mark all that apply.
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1 point
Hydronium ions, H₃O⁺
Water, H₂O
Chloride ions, Cl⁻
Hydroxide ions, OH⁻
Hydrogen gas, H₂
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Which of the structures below is acetic acid?
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1 point
HCOOH
CH₃COOH
CH₂(OH)CH(OH)CHO
C₂H₅OH
What is formed when magnesium reacts with hydrochloric acid? Mark all that apply.
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1 point
Hydronium ions, H₃O⁺
Hydrogen gas, H₂
Chlorine gas, Cl₂
Magnesium ions, Mg²⁺
Hydrogen ions, H⁺
Hydroxide ions, OH⁻
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