Mishyak(As), Surma(Sb), Vismut(Bi) bo'yicha test savollari. Arsenopirit keltirilgan qatorni toping?

Mishyak(As), Surma(Sb), Vismut(Bi) bo'yicha test savollari.
1.Arsenopirit keltirilgan qatorni toping?

A) FeAsS b)FeAs2 c)As4s4 d)As4S4

2.As+HNO3(kons)+H2Oriyaksiyasini davomi?

a)H3AsO4+NO2 B)H3AsO4+NO

c)H3AsO3+NO2 d)H3AsO3+NO

3.Mishyak (|||)ftoridning agregnt holati qanday?

a)qattiq b) gaz C) suyuq d)a va b javoblar to’g’ri.

4.Arsenit kislotaningdissotsianlanishi keltirilgan qatorni toping?

a)2H+H2AsO3 B) H(+)+H2AsO3

c) H+H2AsO2 d)H+H2AsO2

5.Arsenit kislotasining qaysi tuzi chigirtkaga Qarshi kurashishda

ishlatiladi?

a)CaH2AsO3 b)CaH2AsO4

c)CaHAsO4 D)CaHAsO3

6.Metaarsenit kislotaning mis tuzining ranggi qanday?

a) ko’k b)qizil C) yashil d) oq

7.Cu (AsO2)2 ni nomlang?

A)Sheele ko’ki b)parij ko’ki

c)turunbil zarg’aldog’i d)mis arsenat

8.Na3AsO3+AgNO3reyaksiyasini davom ettiring?

a)Ag2AsO3+NaNO2

B)Ag3AsO3+NaNO3

d) Ag3AsO3+NaNO2

c) Ag3AsO3+NaNO3

9.reyalgazning formulasi qanday?

a)As2S2 b)As4S4 C)As4S4 d)As3S4

10.”Metallarni yeyuvchi bo’ri”deb nomlangan eliment qaysi?

a)As B)Sb c)Bi d)Sn

11.Sb+N2=>riyaksiya mahsuloti keltirilgan qatorni toping?

a)SbN b)Sb3N5 C)Riyaksiyaga kirishmaydi d)SbN3

12.Stibinning rangi qanday?

A)rangsiz b)qizil c)yashil d)ko’k

13.Surma (|||)gidroksidi o’zidan bir qism suv yo’qotganda qanday mahsulot h0sil bo’ladi?

A)SbO(OH) b)Sb(OH)2 c)Sb2O3 d)Sb2O5

14.Nilandir reaksiyasi keltirilgan qatorni toping?

a)Bi2O3+C=>3CO+Bi

B)3C6H12O6+2Bi(OH)3+>2Bi(OH)3=>2Bi+3H2O+CH3OH-(CHOH)4-COOH

c)3Na2S+Sb2S5=>2Na3SbS3

d)Bi2S3+3Fe=>3FeS+2Bi

15.H+H2AsO3 assotsialang?

A)h3aAsO3 b)H+HAsO3

c)3H+AsO3 d)H3AsO4

16.Organizimning qon ishlab chiqarishga Yordam beradigan eliment qaysi?

a)Sb b)Bi C)As d)Sn

17.Vidsmut (|||)y0dning rangi qanday?

a)qizil b)sarg’ish C)to’q jigarrang d)sariq

18.BiCl3+H2O=>reyaksiyani davom etiring?

a)BI(OH)3+HCl b)Bi(OH)2+HCl

C)BiOCl+HCl d)BiOCl+Cl2

19.Tibbiyotda oshqozon kasaliklarini davolashda dori sifatida ishlatiladigan

vosita qaysi?

A)BIONO3 b)BiONO2 c)BiONO4 d)Bi(NO2)3

20.Tetraxlometan olishda surmaning qaysi birikmasi katalizator

Sifatida ishlatiladi?

a)SbCl3 B)SbCl5 c)SWbBr3 d)SbBr5

Tuzuvchi: Turapova Gavhar

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