The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of _____??
A. bromine
B. fluorine
C. chlorine
D. sulphur
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The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of _____??
A. bromine
B. fluorine
C. chlorine
D. sulphur
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