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रिलेशन बीजगणित के प्रकार को बताइए |
Answer» tion:Most synthetic fibers both burn and melt, and ALSO TEND to shrink away from the flame. Synthetics burn with an acrid, chemical or vinegar-like ODOR and leave a plastic bead. Acrylic: Flames and BURNS rapidly with hot, sputtering flame and a black smoke. |
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