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SUMMARY:NCERT Questions 7 to 15 - Themosetting Plastics, Shirt For Summer-Cotton Or Synthetic
DTSTART;TZID=America/Los_Angeles:20260514T190000
DTEND;TZID=America/Los_Angeles:20260514T200000
LOCATION:https://www.learndesk.us/class/5862506851467264/lesson/d65b49710577492c5551501db231cc47?ref=outlook-calendar
DESCRIPTION: Q.7: (a) Explain why the following is made of thermosetting plastics- Saucepan handles
Q.7: (b) Explain why the following is made of thermosetting plastics- Electric plugs/ switches/plugboards
Q.8: Categorise the materials of the following products into “can be recycled” and “cannot be recycled”.Telephone instruments, plastic toys, cooker handles, carry bags, ballpoint pens, plastic bowls, plastic covering on electrical wires, plastic chairs, electrical switches.
Q.9: Rane wants to buy shirts for summer. Should he buy cotton shirts or shirts made from synthetic material? Advise Rane, giving your reason.
Q.10: Give examples to show that plastics are non-corrosive in nature.
Q.11: Should the handle and bristles of a toothbrush be made of the same material Explain your answer.
Q.12: “Avoid plastics as far as possible” comment on this advice.
Q.13: Match the terms of column A correctly with the phrases given in column B.
Q.14: Manufacturing synthetic...

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