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Class 12 Chemistry Practice Test: Molecular Mass of Polymers
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Avg score: 68% • Most missed: “The polydispersity index of natural polymers is _________”
Class 12 Chemistry Practice Test: Molecular Mass of Polymers
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5 Questions

1. Calculate the number average molecular mass of a polymer having four different monomers A, B, C and D present in equal number. The molecular masses of the monomers are 10000, 15000, 30000 and 50000 respectively.
2. The polydispersity index can be less than 1.
3. Polydispersity index is defined as ______ where Mw and Mn are the weight average and number average molecular masses respectively.
4. The polydispersity index of natural polymers is _________
5. Molecular mass of polymers are expressed as a/an _______

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