Which hydrocarbon is used as a starting material for the manufacture of PVC?
Ethylene
Ethane
Acetylene
Propylene
What is the formula for representing alkenes?
CnH2n+2
CnH2n
CnH2n-2
CnH2n-3
What is the other name for alkenes?
Olefins
Paraffins
None of these
Which aliphatic hydrocarbon is referred to as paraffins?
Alkene
Alkyne
Cycloalkane
Alkane
Which unsaturated hydrocarbon contains two double bonds?
Diene
Alkadiene
