saralash testi kimyo 1 var

saralash testi kimyo 1.1-variant spes guruhga 61. 6,72 litr (n.sh.) etilen necha ml (ρ= 1,58) 50%li kmno4 eritmasini to’la rangsizlantiradi? a)50 b) 160 c) 40 d) 20 62. qum (sio2) molekulasidagi kremniy atomi valent orbitalining gibridlanish turini ko’rsating? a) sp3d b) sp2 c) sp d) sp3 63. qaysi fenolda benzol halqasida yonma-yon joylashgan o’rinbosarlar sp3-gibridlangan atomlar tutadi? a) pirokatexin b) floroglyutsin c) m-krezol d) p-krezol 64. gidrolizga uchraydigan tuzlar qatorini tanlang. a) (nh4)2so4, bacl2, al(no3)3 b) na2co3, cuso4, ch3cook, li2so3 c) zncl2, zn(no3)2, k2so4, k2s d) nh4cl, (nh4)2co3, ca(ch3coo)2, na2so4 65. h2 + cl2 → hcl ushbu reaksiyada muvozanat holatida moddalar konsentratsiyalari [hcl]=0,5mol/l; [cl2]=0,4 mol/l; [h2]=0,6mol/l bo’lsa, h2 va cl2 larning boshlang...

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