{:(,"Column I",,"Column II",),(A,"Nascent hydrogen",p,"Permutit",),(B,"Hard water",q,"Molecular"H_(2) "with excess energy",),(C,"Hydrogen peroxide",r,"Reduces" FeCl_(3) "to" FeCl_(2),),(D,"Dihydrogen",s,"Reduces" Cr_(2)O_(7)^(-) "to" Cr^(3+),):}

{:(,"Column I",,"Column II",),(A,"Nascent hydrogen",p,"Permutit",),(B

1.	{:(,"Column I",,"Column II",),(A,"Nascent hydrogen",p,"Permutit",),(B,"Hard water",q,"Molecular"H_(2) "with excess energy",),(C,"Hydrogen peroxide",r,"Reduces" FeCl_(3) "to" FeCl_(2),),(D,"Dihydrogen",s,"Reduces" Cr_(2)O_(7)^(-) "to" Cr^(3+),):}
Answer» ANSWER :`(##DIN_OBJ_CHM_V03_C11_E01_274_A01##)`