Friday 29 March 2013

Organic Chemistry:


1.     If a polymer has mass 63000 and the molar mass of repeating unit is 63 what is its degree of polymerization is
a)     103
b)    102
c)     105
d)    None of these

2.     Properties of polymeric material depends upon
a)     Chemical composition
b)    Structure of molecule
c)     Boiling point
d)    Both a and b

3.     Weather resistant paint are mostly terpolymer, which of the following is used as monomer
a)     Butyl acrylate
b)    Methacarylate
c)     Acrylic acid
d)    All of these


1.a
2.d
3.d

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