How do alum and detergent make the fabric waterproof?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
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1 Answers
Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Aluminum ions react with long chain acids of the detergent to form aluminum 'soap,' This is not water-soluble and thus makes the fabric water-repelling.
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Answered