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Acids, Bases and Salts — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts1 Mark
MCQ
Fresh milk has a pH of 6. When milk changes into curd, the pH value will:
  • A
    Become 7
  • B
    Become less than 6
  • C
    Become more than 7
  • D
    Remain unchanged.
✓

Answer

  1. Become less than 6

Explanation:

When fresh milk changes into curd, its acidity increases and it turns sour Therefore, the pH of fresh milk becomes less than 6 when milk changes into curd.

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