Question

please give me the answer ........it's very important ​

Answer 1

Answer:

all your answer are in goyal brothers book of science

Answer 2

Explanation:

,

$your \: answer........ \\ 1.polymerisation \\ 2.polyester \\ 3.polyethylene \: terepthalate \: \\ 4.melamine \: or \: bakelite \\ 5.require \: careful \: ironing \\ 6.polystyrene \\ 7.melamine \: formaldehyde$

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