A) Ethane
B) Sulphur dioxide
C) Hydrogen
D) Carbon monoxide
Correct Answer: B
Solution :
Sulfur dioxide \[(S{{O}_{2}})\] is a colorless gas with a characteristic, irritating, pungent odor. The hard odor can be detected by the nose since it is familiar as the smell of a just-struck match. It is a highly toxic gas which poisons Its victims via inhalation through the lungs.
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