Polymerisation is a chemical process in which molecules of a compound become________________?

A. 0.334027778
B. 0.500694444
C. 0.625694444
D. 0.834027778

A. increase the knocking tendency
B. decrease the knocking tendency
C. not affect the knocking tendncy
D. increase or decrease knocking tendency depending on strenght and time of spark
E. unpredictable

A. 1 : 1
B. 5 : 1
C. 10:1
D. 15 : 1
E. 20 : 1

A. 8 : 1
B. 10 : 1
C. 15 : 1
D. 20 : 1 and less
E. will work at all ratios

A. increase
B. decrease
C. remain same
D. unpredictable
E. depend on other factors

A. 0°C
B. – 10°C
C. 10°C
D. less than – 30°C
E. less than – 273°C