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प्रश्न
Soft drinks and baby feeding bottles are generally made up of ______.
विकल्प
polyester
polyurethane
polystyrene
polyamide
MCQ
रिक्त स्थान भरें
उत्तर
Soft drinks and baby feeding bottles are generally made up of polystyrene.
shaalaa.com
Polymers of Commercial Importance
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