Question

A_________is used for testing the purity of milk.
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Answer 1

Answer:

lactometer

Kepler's second law states that a planet moves in its ellipse so that the line between it and the Sun placed at a focus sweeps out equal areas in equal times

Answer 2

Lactometer

Answer. The name of the device used to determine the purity of milk is Lactometer. Lactometer checks the purity of milk by measuring its density.