1. Qutubli kavalent bog’lanishli molekulalarni ko’rsating?

1.Qutubli kavalent bog’lanishli molekulalarni ko’rsating?
A) H₂O, HCl; B) H₂, PH₃;
C) NaCl, KJ; D) Cl₂, F₂

2. Elektrostatik tortishish natijasida hosil bo’ladigan bog’lanish qanday bog’lanish hisoblanadi?

A) Metall bog’lanish; B) Ion bog’lanish;
C) Kovalent bog’lanish; D) Vodorod bog’lanish;

3. NO₂+H₂O=HNO₂+HNO₃ ushbu reaksiyani tenglang va koeffitsentlar yigi’ndisini hisoblang?

A) 8 B) 6 C) 5 D) 7

4. KNO₃ parchalanishidan qanday gaz ajralib chiqishini aniqlang?

A) NO₂ B) O₂ C) N₂ D) N₂O

5. Cu+HNO₃= Cu(NO₃)₂+NO₂+H₂O ushbu kimyoviy reaksiyani tenglang va tuz oldidagi koeffitsentni toping?

A) 4 B) 3 C) 1 D) 2

6. 54 gr N₂O₅ suv bilan tasirlashganida qaysi kislotadan necha gr hosil bo’ladi?

A) 126gr HNO₃ B) 80gr HNO₂
C) 47gr HNO₂ D) 63gr HNO₃

7. Qutibsiz kovalent bog’lanishli moddalar keltirilgan javoblarni toping?

A) H₂, F₂, B) HCl, J₂, C) F₂, HF, D) O₂, HJ

8. 7,2gr FeO ni H₂ yordamida qaytarib necha gr Fe olish mumkin?

A) 5,5 gr B) 5,6 gr C) 6 gr D) 10 gr

9. 120gr NaOH bilan H₂SO₄ kislota tasirlashuvudan necha gr tuz xosil bo’ladi?

A) 210gr B) 212gr C) 213gr D) 215gr

10. Temirga 5,6 L xlorni tasirlashtirganimizda qaysi tuzdan necha gr xosil bo’ladi?

A) 32gr FeCl3 B) 27gr FeCl2
C) 30gr FeCl3 D) 27gr FeCl3

11. Metall bog’lanishli birikmalar keltirilgan qatorni toping?

A) CuZn B) HCl C) NaCl D) KJ

12. ,, Bir element atomining juft elektronlari boshqa bir element atomining bo’sh orbitallari hisobiga hosil bo’ladigan bog’lanish’’ qanday bog’lanish hisoblanadi ?

A) kovalent bog’ B) donor-akseptor bog’
C) Ion bog’ D) metal bog’

13. H₂SO₄ ushbu modda tarkibidagi markaziy atomning gibridlanishi qaysi qatorda to’g’ri ko’rsatilgan?

A) sp B) sp2 C) sp3 D) sp3d

14. H₂O tarkibidagi kislorodning gibridlanish turi qanday?

A) sp² B) sp C) sp³ D) sp³d²

15. K₃[Fe(CN)₆] ushbu tuz tarkibidagi Fe ning oksidlanish darajasini toping?

A) Fe⁺² B) Fe⁺³ Fe⁺ Fe⁰

16. HMnO₄ kislota tarkibidagi markaziy atomning oksidlanish darajasi va gibridlanishi keltirilgan qatorni toping?

A) Mn⁺³, sp² B) Mn⁺⁷ , sp³
C) Mn⁺⁴, sp³ D) Mn⁺⁶ , sp³

17. HCl kislota tarkibidagi xlorni gibridlanishi qanday bo’ladi?

A) sp³ B) sp² C) sp D) sp³d²

18. Kimyoviy bog’lanishning bog’ karraligiga ko’ra qanday turlari bor?

A) oddiy bog’, qo’sh bog’, uch bog’,
B) sigma bog’, pi bog’
C) ion bog’, kovalent bog’, metal bog’
D) oddiy bog’lanish , donor-akseptor bog’lanish

19. Gibridlanish nazariyasini kim to’liq tushuntirib bergan?

A) Butlerov B) Berselius
C) Poling D) Dalton

20. Kovalent bog’lanishning nechta asosiy xossalari mavjud?

A) 3 ta B) 4 ta C) 5 ta D) 6 ta

21. Ariq suvining muzlashi qanday jarayonga kiradi?

A) kimyoviy B) buday bo’lishi mumkin emas
C) A va B javoblar to’g’ri D) fizik jarayon

22.Quyida keltirilgan oksidlaming qaysi biri H₂SO₄ bilan reaksiyaga kirishadi?

A) SO₂ B) CO₂ C) NO₂ D) Na₂O

23.Qaysi sababga ko'ra oddiy moddalar soni kimyoviy elementlar sonidan ko'p?

A)Izatop B)alloropiya
C)Kristal panjara D) ko'p emas

24. Vadorod bog’lanishli molekulalar keltirilgan javobni belgilang?

A) H₂O, HF B) NaCl, KJ C) KJ, HF D) KJ, N₂

25. Toq elektronlar juftlashishi hisobiga yani juft elektronlar vositasi hisobiga hosil bo’ladigan bog’lanishga nima deyiladi?

A) vadorod bog’ B) ion bog’
C) kovalent bog’ D) metal bog’

26. Na2O+SO2= ushbu reaksiya natijasida qaysi tuz xosil bo’ladi?

A) Na₂SO₄ B) Na₂S C) Na₂SO₂ D)Na₂SO₃

27. 46 gr Na bilan 18 gr H₂O tasirlashganda necha (n.sh.l) litr gaz ajraladi va qaysi moddadan necha gr ortib qoladi?

A) 22,4l H2, 23gr Na; B) 11,2l H2, 11,5gr Na;
C) 5,6l H2, 23gr Na; D) 11,2l H2, 23gr Na;

28. 200gr CaCO₃ ning parchalanishidan necha mol miqdorda gaz ajralishini toping?

A) 3 mol B) 2 mol C) 4 mol D) 5 mol

29. 4mol Na bilan O₂ tasirlashishi uchun necha litr kislarod sarflanadi?

A) 44,8 l B) 22,4 l C) 11,2 l D) 5,6 l

30. Kislatali oksidlar qaysilari?

A) CO, CO₂ B) NO, CO
C)Al₂O₃, Na₂O C) CrO₃, Mn₂O₇