Assertion (A): Cotton is ironed at $400^\circ$F. Reason (R): Cotton is a natural fibre made of cellulose which possess good heat resistance properties.

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KollegeApply · Accepted Answer

A and R are true and R is the reasoning for A. Explanation: Cotton's strength and structure are derived from cellulose, a natural polymer. It has decent heat resistance compared to other synthetic fibers.

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