JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Alums are used for

(A)Tanning of leather
(B)Coagulation of blood
(C)Purification of water
(D)All of theseCorrect

Answer: (D)

Solution

Alums are used as a mordant and for tanning leather, they promote coagulation (of blood in minor cuts as a styptic, and of suspended impurities in water), and

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Question ID VK-138200