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Propane and butane. - The petroleum gas liquefied under pressure is called liquefied petroleum gas(LPG).
- Liquefied petroleum gas consists of propane and butane
- Liquefied petroleum gas is used as fuel for home and industry.
- The chemical which is added to liquefied petroleum gas(LPG) to detect leakage is ethyl mercaptan
- Liquefied petroleum gas used for domestic applications in cylinders under relatively low pressures.
- Liquefied petroleum gas can be stored nearly indefinitely without degradation.
- The molecular formula of butane is $C_4 H_10$
- The molecular formula of propane is $C_3 H_8$
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