- 1UPSC CSE I - 2005
Assertion (a) :The main constituent of the liquefied petroleum gas is methane.
Reason (R): Methane can be used directly for burning in homes and factories where it can be supplied through pipelines. - 2UPSC CSE I - 2004
Match List-I (Fuel gases) with List-II (Major constituents) and select the correct answer using the codes given below the lists:
List I List II A. CNG 1. Carbon monoxide, Hydrogen B. Coal Gas 2. Butane, Propane C. LPG 3. Methane, Ethane D. Water Gas 4. Hydrogen, Methane, Carbon monoxide Code:
A B C D - 3UPSC CSE I - 2001
Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons?
- 4UPSC CSE I - 1998
Consider the following statements about acetylene:
- It is used in welding industry.
- It is a raw material for preparing plastics.
- It is easily obtained by mixing silicon carbide and water of these statements.