Video solusi : Diantara reaksi berikut yang tergolong redoks ....
A. 2 ~K 2 CrO 4+HNO 3 -> H 2 Cr 2 O 7+H 2 O+KNO 3
B. NaOH+HNO 3 -> NaNO 3+H 2 O
C. Cu+4 HNO 3 -> Cu(NO 3) 2+2 H 2 O+2 NO 2
D. Na 2 CO 3+HNO 3 -> 2 NaNO 3+CO 2+H 2 O
E. CuO+2 HNO 3 -> Cu(NO 3) 2+H 2 O