WHICH_IS_THE_MOST_WIDELY_USED_SULFONATING_AGENT_IN_INDUSTRIES??$ – McqOptions

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1.	WHICH_IS_THE_MOST_WIDELY_USED_SULFONATING_AGENT_IN_INDUSTRIES??$
A.	Oleum
B.	Sulphur dioxide
C.	Sulfuric acid
D.	None of the mentioned
Answer» B. Sulphur dioxide

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