In the test tubes to the right, draw the reaction that occurs in solution showing the ions and solids before in the left test tube and after the reaction.
A) O2 + 2H2O → 4H+ + 4OH- + 2MnO2
B) Cu + 2AgNO3 → Cu(NO3)2 + 2Ag
C) NaCl + AgNO3 → AgCl + NaNO3
D) Fe + 2HCl → FeCl2 + H2
