Write short notes on (RBSESolutions.com) following:
A. Polythene
B. Polyvinyl chloride
C. Polyacrylo nitrile
D. Polystyrene
Answer:A
Write short notes on (RBSESolutions.com) following:
A. Polythene B. Polyvinyl chloride C. Polyacrylo nitrile D. Polystyrene