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226

Q:

दूध की शुद्धता किससे मापी जाती है?

  • 1
    हाइड्रोमीटर
  • 2
    लैक्टोमीटर
  • 3
    स्टैलग्मोमीटर
  • 4
    थर्मोमीटर
  • Show Answer
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Answer : 2. "लैक्टोमीटर"
Explanation :

The purity of milk is measured by a lactometer. Lactometer works on Archimedes’ principle. It measures the relative density of milk with respect to water. The sourness of the milk is due to the presence of lactic acid.


Human beings feel tired due to the accumulation of lactic acid in the muscles.

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