Match List-I (Fuel Gases) with List-II (Major Constituents) and select the correct answer using the codes given below the Lists

Q: 124 (IAS/2004)

(Fuel Gases)	(Major Constituents)
A. CNG	1. Carbonmonoxide, Hydrogen
B. Coal gas	2. Butane, Propane
C. LPG	3. Methane, Ethane
D. Water gas	4. Hydrogen, Methane, Carbonmonoxide

A-2, B-1, C-3, D-4

A-3, B-4, C-2, D-1

A-2, B-4, C-3, D-1

A-3, B-1, C-2, D-4

question_subject:

Science

IAS

0,84,81,21,84,27,33

{'fuel gases': [0, 0, 1, 0], 'major constituents': [0, 0, 1, 0]}