56. (v4-113-8) Faqat oksidlovchi xususiyatga ega bolgan moddalarni toping.
1) nitrat kislota; 2) nitrit kislota; 3) kaliy xromat; 4) xrom (III) xlorid; 5) kalsiy gidrid;
6) rux; 7) brom; 8) vodorod sulfid; 9) kaliy permanganat; 10) ammiak.
A) 2, 4, 6 B)3, 5, 8
C)1,3, 9
D) 3, 4, 7
E) 5, 6, 8