QuestionChemistry in everyday life / natural acids
Which one of the following sources contains tartaric acid ?
- (a) Lemon juice
- (b) Orange juice
- (c) Tamarind paste
- (d) Vinegar
Answer: (c) Tamarind paste
Tartaric acid is the main acid of tamarind (also grapes). Lemon and orange juice contain citric acid; vinegar contains acetic acid. → (c). Remember: sour milk/curd – lactic acid; apple – malic acid; ant sting – formic acid; tomato – oxalic acid.