91.
The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :

92.
Neoprene is prepared by polymerisation of which of the following

93.
Neoprene is a polymer of

94.
Silicone is a polymer of

95.
The monomers of dacron are

98.
What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ?

99.
Silver nitrate solution is kept in brown bottles in laboratory because

100.
Which colour is produce by Arsenic during flame test?