15. (v4-124-1) Murakkab moddalar qatorini korsating.
1) ammiak, metan, gematit; 2) suv, fosfin, sovun; 3) ozon, xlor, qaldiroq gaz, vodorod peroksid; 4) bronza, oq fosfor, marganes;
5) malaxit, ohaktosh, kaliy, magniy.
A) 2, 4 B)3, 4
C) 1, 2
D) 2, 5
E) 2, 3