Tnpsc Group 4 Chemistry Online test 7

1.  Plastics melt on heating soft and coling its hard its
   
   1.  Both B&C
   2.  Thermo setting plastics
   3.  Thermo Plastics
   4.  None of the above
   
   
2.  Pipes, Buckets, Mugs, Combs, Toy etc., made of 
   
   1.  None of the below
   2.  Both C & D
   3.  Thermo Setting Plastics
   4.  Thermo Plastics
   
   
3.  Bakelite and Melamine is a example of
   
   1.  Thermo setting plastics
   2.  Thermo plastics
   3.  Both a&B
   4.  None of the above
   
   
4.  Electrical Insulators, Switches, Handles of cookwares made of
   
   1.  None of the below
   2.  Both c&d
   3.  Melamine
   4.  Baklite
   
   
5.  Melamine is a non____
   
   1.  None of the below
   2.  Electrical substance
   3.  heat substance
   4.  inflammable substance
   
   
6.  Cookwares, Make Floor tiles, Fireproof clothes made of
   
   1.  Bakelite
   2.  Melamine
   3.  Both a&b
   4.  None of the above
   
   
7.  Great threat to our Planet Earth is
   
   1.  Water
   2.  Rain
   3.  Plastics
   4.  Environment
   
   
8.  Polute Land, Air and Water is
   
   1.  Lake
   2.  River
   3.  Fertilizers
   4.  Plastics
   
   
9.  Backlite is a non  _____
   
   1.  None of the below
   2.  conductor of Electricity
   3.  conductor of Heat and Electricity
   4.  conductor of Heat
   
   
10.  Some type of object made plastics not Melt on heating these type is
    1.  None of the below
    2.  Both C& D
    3.  Thermo plastics
    4.  Thermo Setting Plastics
    
    

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