Multiple choice general knowledge science & technology

Milk contains _______ acid.

  1. oxalic

  2. lactic

  3. citric

  4. boric
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Milk contains lactic acid, which is produced when bacteria ferment lactose (milk sugar). Fresh milk contains very little lactic acid, but it increases as milk sours or ferments into products like yogurt. Oxalic acid is found in spinach, citric acid in citrus fruits, and boric acid is not naturally found in food.

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