Chemical Engineering Basics Mcqs

Q.  Unbreakable crockeries are made from ______________ polymers?

a. Polystyrene
b. Melamine
c. Polystyrene
d. Polyurethane


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  Melting point & boiling points of liquid oxygen are respectively – 218.8°C & – 183°C, while the same for liquid nitrogen is – 210°C & – 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 ?
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MCQs:  The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________?
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