alleryChemically, vinegar used to give a sour taste and preserve pickles is a roughly 4% solution of which acid?
AItaconic acid
BLactic acid
CCitric acid
DAcetic acid
Answer & Solution
Correct answer: D. Acetic acid
1. Vinegar imparts sour taste and preserves pickles and sauces.
2. Chemically it is about 4% acetic acid.
3. Lactic and citric acids are made by other microbial routes, not vinegar.
4. Itaconic acid is used in paper and plastics, not as vinegar.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.88_
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