3. (96-15-1) Oddiy moddalar qatorini korsating:
1) Cl2, Cl203, HCI, KCI; 2) 02, Cl2, P4, S6;
3) H20, 02, Na20, NO; 4) N2, NH3, N02, N20;
5) Cr, CrO, Cr203, Cr03.
A) 3 B)4
3. (96-15-1) Oddiy moddalar qatorini korsating:
1) Cl2, Cl203, HCI, KCI; 2) 02, Cl2, P4, S6;
3) H20, 02, Na20, NO; 4) N2, NH3, N02, N20;
5) Cr, CrO, Cr203, Cr03.
A) 3 B)4
C) 1 D)2