11. Which chemical reaction involves the fewest oxygen atoms?
B.
A. 2AgNO, + K, SO4 Ag, SO4 + 2KNO,
4Fe + 6H 0 + 30,- 4Fe(OH),
C. 6002 + 6H20-CH206 + 602
D. CH, + 30, 200, + 2H, O