Which of the following is a biodegradable polymer
A. Polythene
B. Backlite
C. PHBV
D. PVC
A gaseous mixture contains 56g of N2,44g of CO2 and 16g of CH4.The total pressure of th mixture is 720 mm Hg.The partial pressure of CH4 is:
A. 180mm
B. 360mm
C. 540mm
D. 720mm