Acids and Bases quiz
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Which acid does your stomach make?
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More questions about Acids and Bases
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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Under what name do chemists know vitamin C?
Answer: Ascorbic acid
Why: The word ascorbic means 'without scurvy', the disease caused by a lack of vitamin C.
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Why do acids taste sour?
Answer: Hydrogen ions
Why: Sour taste cells let hydrogen ions flow straight in through a channel called OTOP1.
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Which equation calculates the pH of a chemical buffer?
Answer: Henderson-Hasselbalch
Why: When the weak acid and its conjugate base reach equal concentrations, the equation simplifies so that pH equals pKa.
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Which vegetable's juice is a homemade pH indicator?
Answer: Red cabbage
Why: Purple anthocyanin pigments in the leaves turn pink in acids and green to yellow in bases.
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Where does formic acid's name come from?
Answer: Ants
Why: Formic acid was isolated in 1671 by distilling large numbers of ants.
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What two acids, mixed, can dissolve gold?
Answer: Nitric and hydrochloric
Why: Called aqua regia, or 'royal water', the mix dissolves gold even though neither acid can alone.
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