Match List I with List II

List I
  1. CNG
  2. Coal gas
  3. LPG
  4. Water gas
List II
  • Carbon monoxide, Hydrogen
  • Butane, Ethane
  • Butane, Propane
  • Hydrogen, Methane, CO
Correct Answers
1. Butane, Ethane 2. Hydrogen, Methane, CO 3. Butane, Propane 4. Carbon monoxide, Hydrogen