Which one of the following reducing agents can also act as an oxidizing agent ?

examrobotsa's picture
Q: 47 (CDS-II/2010)
Which one of the following reducing agents can also act as an oxidizing agent ?

question_subject: 

Science

question_exam: 

CDS-II

stats: 

0,12,31,15,12,12,4

keywords: 

{'h2s': [0, 0, 1, 0], 'h2': [0, 0, 4, 4], 'agents': [0, 0, 1, 2], 's02': [0, 0, 1, 0], 'agent': [0, 0, 2, 5]}