Question

why silk shrinks on burning

Answer 1

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$\mathfrak{\blue{Answer→}}$Ignites and burns quickly and can continue to burn after a flame is removed—exercise caution. Fiber mayshrink from the flame, melt, and can drip (DANGER) leaving a hard plastic-like bead. Burning these fabrics will produce black smoke and hazardous fumes.
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Answer 2

I don't now bro you wear clothes only don't take tension bro 'chill'