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Which type of plastics do not undergo chemical change in their composition when heated and can be molded again and again?
Which type of plastics do not undergo chemical change in their composition when heated and can be molded again and again?
What type of forces hold various chains together in thermoplastics?
What type of forces hold various chains together in thermoplastics?
Which type of polymers are polyacetylene and its effect of doping related to?
Which type of polymers are polyacetylene and its effect of doping related to?
What type of polymers are ABS and Bakelite?
What type of polymers are ABS and Bakelite?
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Which type of plastics undergo chemical change in their composition when heated and cannot be molded again and again?
Which type of plastics undergo chemical change in their composition when heated and cannot be molded again and again?
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