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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In which brewery's lab was the pH scale born?
Answer: Carlsberg
Why: Sørensen did not explain why he chose the letter p, so what the p in pH stands for is still disputed.
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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 makes an acid count as strong?
Answer: Fully splitting into ions
Why: In vinegar, fewer than 1 in 100 acetic acid molecules split into ions, which is why it counts as weak.
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