If an earthworm is kept in 40% KOH for a long | vedclass

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Question

(A) The body of an earthworm is primarily composed of soft tissues,muscles,and organs that are soluble in strong alkaline solutions like $40\%$ $KOH$.

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Setae

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(A) The body of an earthworm is primarily composed of soft tissues,muscles,and organs that are soluble in strong alkaline solutions like $40\%$ $KOH$. However,the setae $(Setae)$ are chitinous structures. Chitin is a complex polysaccharide that is resistant to the action of strong alkalis. Therefore,the setae remain insoluble even after prolonged exposure to $40\%$ $KOH$.

If an earthworm is kept in $40\%$ $KOH$ for a long time,which part remains insoluble?

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