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| 1. |
Alum helps in purification water by |
| Answer» <html><body><p>forming Si complex with clay particles<br/>sulphate part which <a href="https://interviewquestions.tuteehub.com/tag/combines-922862" style="font-weight:bold;" target="_blank" title="Click to know more about COMBINES">COMBINES</a> with dirt and removes it.<br/>aluminium which <a href="https://interviewquestions.tuteehub.com/tag/coagulates-2524026" style="font-weight:bold;" target="_blank" title="Click to know more about COAGULATES">COAGULATES</a> the <a href="https://interviewquestions.tuteehub.com/tag/mud-1104969" style="font-weight:bold;" target="_blank" title="Click to know more about MUD">MUD</a> particles<br/>making mud water soluble</p>Solution :Alum helps in purifying water by coagulating the negatively charged mud particles with `Al^(3+)` ions provided by it</body></html> | |