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Acids, Bases and Salts — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceAcids, Bases and Salts2 Marks
Question
Buttermilk spoils if kept in a copper or brass container.
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Answer

  • Buttermilk contains an organic acid called as lactic acid.
  • The lactic acid reacts with copper and brass and forms toxic compounds which are not fit for consumption.
  • They are harmful and may cause food poisoning.
  • So it is not advisable to keep buttermilk in brass or copper containers.

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