A) melamine and tetrafluoroethane
B) malonic acid and hexamethyleneamine
C) melamine and vinyl acetate
D) melamine and formaldehyde
Correct Answer: D
Solution :
[d] The unbreakable plastic household crockery is made from copolymer of formaldehyde (HCHO) and melamine.You need to login to perform this action.
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