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Ruchi Sharma • 9.84K Points
Tutor III Biology

  • (A) Hydrometer
  • (B) Lactometer
  • (C) Galvanometer
  • (D) Ammeter
Correct Answer - Option(B)

Explanation by: Ruchi Sharma
Lactometer is used for measuring the relative density of milk and hence testing the purity of milk. It is a specially designed hydrometer.

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