Alum helps in purification water byA. forming Si complex with clay particlesB. sulphate part which combines with dirt and removes it.C. aluminium which coagulates the mud particlesD. making mud water soluble

Alum helps in purification water byA. forming Si complex with clay par

1.	Alum helps in purification water byA. forming Si complex with clay particlesB. sulphate part which combines with dirt and removes it.C. aluminium which coagulates the mud particlesD. making mud water soluble
Answer» Correct Answer - C Alum helps in purifying water by coagulating the negatively charged mud particles with `Al^(3+)` ions provided by it

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Alum helps in purification water byA. forming Si complex with clay particlesB. sulphate part which combines with dirt and removes it.C. aluminium which coagulates the mud particlesD. making mud water soluble

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