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1. |
How \[{{H}_{2}}S\] is liberated in laboratory [JEE Orissa 2004] |
A. | \[FeS{{O}_{4}}+{{H}_{2}}S{{O}_{4}}\] |
B. | \[FeS+dil.\ {{H}_{2}}S{{O}_{4}}\] |
C. | \[FeS+\text{conc}\text{. }{{H}_{2}}S{{O}_{4}}\] |
D. | Elementary \[{{H}_{2}}\]+ elementary S |
Answer» C. \[FeS+\text{conc}\text{. }{{H}_{2}}S{{O}_{4}}\] | |