Which of the following is/are the examples of Hydrogen-evolution poiso – McqOptions

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1.	Which of the following is/are the examples of Hydrogen-evolution poisons?
A.	Arsenic and Antimony
B.	Sodium sulfite and hydrazine
C.	Chromates and ferric salts
D.	Organic amines
Answer» B. Sodium sulfite and hydrazine

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