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प्रश्न
The monomer used in the preparation of thermocol is ______.
विकल्प
vinyl chloride
acrylamide
butadiene and acrylonitrile
styrene
MCQ
रिक्त स्थान भरें
उत्तर
The monomer used in the preparation of thermocol is styrene.
Explanation:
- Thermocol is a trade name for expanded polystyrene (EPS).
- It is a polymer made by polymerizing styrene, which is an unsaturated hydrocarbon (vinyl benzene).
- Reaction: \[\ce{n(CH2 = CH - C6H5) -> [-CH2 - CH (C6H5) -]_n}\]
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