Potash alum is useful in water purification because it:

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Chemistry · Surface Chemistry

Potash alum is useful in water purification because it:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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coagulates suspended colloidal impurities

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Answer 1

kills the microorganisms present in water

Answer 2

removes permanent hardness of water

Answer 3

coagulates suspended colloidal impurities

Answer 4

softens hard water by removing calcium ions

Potash alum is useful in water purification because it:

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