Doctor's solution used for sweetening of petroleum products is
A. Sodium plumbite
B. Sodium sulphite
C. Sodium thiosulphate
D. Lead sulphate
Answer: Option A
Related Questions on Petroleum Refinery Engineering
Aniline point test of an oil qualitatively indicates the __________ content of an oil.
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene
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