74. (v20/21-108-29) Toyinuvchanlik va yonaluvchanlikka ega bolgan moddalarni korsating:
1) NH3; 2) LiH; 3) CaH2; 4) C2H4; 5) CrCI3;
6) SiH4.
A) 1,4, 6 B)1,3, 5
C)2, 3,5
D) 2, 4, 6
74. (v20/21-108-29) Toyinuvchanlik va yonaluvchanlikka ega bolgan moddalarni korsating:
1) NH3; 2) LiH; 3) CaH2; 4) C2H4; 5) CrCI3;
6) SiH4.
A) 1,4, 6 B)1,3, 5
C)2, 3,5
D) 2, 4, 6
Ответ: |
Сборник: Kimyo
Параграф:
9.2. Kovalent boglanish
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