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Synthetic Fibres And Plastics Mock Tests

26 questions available

Synthetic Fibres And Plastics Mock Test 1

Questions: 26

नमूना प्रश्न

Class 8 Science
Which of the following is a thermosetting plastic that cannot be remelted once moulded?
A Polythene
B PVC
C Bakelite
D Polystyrene
Class 8 Science
Bakelite is an example of which type of plastic?
A Thermoplastic
B Thermosetting
C Biodegradable
D Elastomer
Class 8 Science
Which of the following is a biodegradable plastic substitute?
A PVC bags
B Polythene covers
C Paper bags
D Polystyrene cups
Class 8 Science
Which of the following is a natural fibre?
A Nylon
B Polyester
C Cotton
D Acrylic
Class 8 Science
Which plastic is a thermosetting plastic?
A Polythene
B PVC
C Bakelite
D Polystyrene
Class 8 Science
A thermosetting plastic is one that:
A Can be remelted and reshaped multiple times
B Cannot be remelted once moulded
C Is always transparent
D Dissolves in water
Class 8 Science
Which type of plastic can be remelted and reshaped multiple times?
A Thermosetting plastic
B Thermoplastic
C Bakelite
D Melamine
Class 8 Science
Which of the following is an example of biodegradable waste?
A Plastic bag
B Glass bottle
C Paper
D Aluminium can

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