Tag: polymers of commercial importance

Questions Related to polymers of commercial importance

What substance is formed when $F _2C = CF _2$ is polymerized?

  1. Polyethylene

  2. Polyurathene

  3. PVC

  4. Teflon


Correct Option: D

The mass of potassium dichromate crystals required to oxidise $ 750 cm^3  $ of 0.6 m mohr's salt solution is ( molar mass = 392 ) 

  1. 0.49g

  2. 0.45 g

  3. 22.05 g

  4. 2.2 g


Correct Option: C