(A) Lactometer ()
(B) Hygrometer (X)
(C) Manometer (X)
(D) Sonometer (X)
Answers An instrument to detect the purity of milk is Lactometer .
(A) Lactometer ()
(B) Hygrometer (X)
(C) Manometer (X)
(D) Sonometer (X)
Answers An instrument to detect the purity of milk is Lactometer .
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