The substance used for coagulating rubber from latex is :
A
Ethanol
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B
Ethanoic acid
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C
Both
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D
None of these
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Solution
The correct option is B Ethanoic acid
Ethanoic acid is an organic acid. It Ionizes in water to produce hydrogen ions. The positive hydrogen ions help to neutralise the negatively-charged rubber particles, allowing the latex to coagulate.