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Question
The plastics that can be remoulded on heating are called _______ and those which cannot be remoulded are called _______.
The plastics that can be remoulded on heating are called _______ and those which cannot be remoulded are called _______.
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Solution
The correct option is A thermoplastics, thermosets
The plastics that can be remoulded on heating are called thermoplastics. Few examples of thermoplastics are polyvinyl chloride, polystyrene, polyethylene, polypropylene, etc.
The plastics that cannot be remoulded or reshaped on heating are called thermosetting plastics/ thermosets. Few examples of thermosets are bakelite, melamine, polyurethane, polyester, etc.
The plastics that can be remoulded on heating are called thermoplastics. Few examples of thermoplastics are polyvinyl chloride, polystyrene, polyethylene, polypropylene, etc.
The plastics that cannot be remoulded or reshaped on heating are called thermosetting plastics/ thermosets. Few examples of thermosets are bakelite, melamine, polyurethane, polyester, etc.
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