Match List-I (Fuel Gases) with List-II (Major Constituents) and select the correct answer using the codes given below the Lists: Codes: A B C D List I (Fuel Gases) — List II (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
Options
(a)2 1 3 4
(b)3 4 2 1
(c)2 4 3 1
(d)3 1 2 4
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