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The purity of water is judged by measuring its ______.
Question

The purity of water is judged by measuring its ______.

A.

Refractive Index

B.

Conductivity

C.

Density

D.

Acidity

Correct option is B


Conductivity indicates the level of ions in water; pure water has very low conductivity, making it a standard measure of water purity.

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