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added by Kasia June 27, 2012, 3:23 p.m.
Which acid causes the sourness of green apples?
citric acid
malic acid
lactic acid
formic acid
Malic acid is more sour than citric acid, and is the source of extreme tartness in so-called extreme candy. Malic acid occurs naturally in all fruits and many vegetables.
Kasia
-1
Correct this question
3
Very interesting!
reach: rather globalacidsappleschemistryfoodfruitsnatureorganic acidsorganic chemistrysweets

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-1 Very uninteresting  Propane
+3 Very interesting!  globalquiz.org