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प्रश्न
Which among the following compounds is used in petroleum refining?
विकल्प
Na2CO3
NaHCO3
NaCl
NaOH
MCQ
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उत्तर
NaOH
Explanation:
NaOH solutions are used in the petroleum refining sector to remove H2S and organic sulphur compounds from hydrocarbon streams.
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