Which hydrocarbon is used as a starting material for the manufacture of PVC?
Ethylene
Ethane
Acetylene
Propylene
Which unsaturated hydrocarbon contains two double bonds?
Diene
Olefins
Alkadiene
Paraffins
What is the formula for representing alkenes?
CnH2n+2
CnH2n
CnH2n-2
CnH2n-3