1. Quyidagilardan kimyoviy hodisani aniqlang

1. Quyidagilardan kimyoviy hodisani aniqlang.

A) havodan azot olish B) sutning achishi C) misning suyuqlanishi D) shamning erishi
2. Quyidagilardan qaysilari fizikaviy jarayon hisoblanadi. 1) sumalakning erishi. 2) sumalak pishirish. 3) temirning zanglashi. 4) kisloroddan ozon olish 5) havoni suyultirib kislorod olish. 6) suvni elektrolizidan kislorod olish
A) 1,3,5 B) 2,4,6 C) 1,5 D) 1,2,5,6
3. Quyidagilardan qaysilari kimyoviy jarayon? 1) qo`rg`oshining suyuqlanishi 2) temirning xlorlanishi 3) kalsiy karbonatning parchalanishi 4) kislotadan vodorodning siqib chiqarilishi 5) iodning sublimatlanishi 6) osh tuzining suvda erishi
A) 2,3,4,6 B) 2,3,4 C) 1,2,3,4 D) 3,4,5,6
4. Quyidagilardan qaysilari fizikaviy jarayon? a. muzning erishi b. magniyning xlorlanishi c. sutning achishi d. naftalinning sublimatlanishi e. metanning yonishi
A) a,d B) b,c,e C) a,c,d D) faqat a
5. Atomning tarkibini ifoda qiladigan to’laroq ta’rifini ko’rsating.
A) kimyoviy moddaning barcha xossalarini o’zida saqlovchi eng kichik zarracha. B) Musbat zaryadli yadro va uning atrofida aylanuvchi elektronlardan iborat elektroneytral zarracha. C) Kimyoviy jihatdan bo`linmaydigan eng kichik zarracha. D) Yadro zaryadi bir xil bo`lgan atomlar to`plami
6. Molekula – bu …..?
A) Kimyoviy jihatdan bo`linmaydigan eng kichik zarracha. B) Musbat zaryadli yadro, manfiy zaryadli electronlardan iborat. C) Moddaning barcha kimyoviy hossalarini o`zida saqlovchi eng kichik zarracha. D) Turli kimyoviy element atomlaridan tuzilgan modda.
7. Molekula to’g’risidagi noto’g’ri fikrni aniqlang.
A) Molekula atomlardan iborat, atomlar ham molekulalar singari to’xtovsiz harakatda bo’ladi. B) Molekulalar tarkibi fizikaviy jarayonlarda o’zgarmay qoladi C) Molekulalar doimo harakatda bo’ladi D) Molekulalar kimyoviy hodisalarda deyarli o’zgarishga uchramaydi.
8. Quyidagilardan xato ma’lumotlarni toping. 1) fizikaviy hodisalar paytida molekulalar saqlanib qoladi, kimyoviy hodisalar paytida esa ularning o’rnida yangi moddalar hosil bo’ladi. 2) Molekulalar to’xtovsiz harakatda bo’ladi, ularning harakat tezligi temperatura ko’tarilishi bilan kamayadi. 3) modda molekulalari orasida ma’lum masofa bo’lib, uning o’lchami moddaning agregat holatiga bog’liq bo’ladi. 4) qattiq moddalarda molekulalarning o’zaro tortilishi kuchi gazlardagiga ko’ra kuchsiz. 5) bir turdagi atomlar boshqa turdagi atomlardan massasi va xossalari jihatidan farq qiladi.
A) 1,3,5 B) 2,3,5 C) 1,3,4,5 D) 2,4
9. Faqat kimyoviy elementlar berilgan qatorni aniqlang.
A) uglerod, olmos, azot, ozon B) azot, ozon, vodorod, kislorod C) ozon, kislorod, olmos, vodorod D) uglerod, kislorod, vodorod, azot
10. Metallmaslar berilgan qatorni ko’rsating.
A) azot, oltin, vodorod, kislorod B) uglerod, oltingugurt, brom, selen C) osmiy, kislorod, vodorod, ftor D) xrom, mis, temir, aluminiy
11. Oddiy moddaga tegishli bo’lgan xossalarni aniqlang.1) yadro zaryadi 2) zichlik 3) elektron qavat 4) atom massa 5) izotoplar 6) rang 7)qaynash va suyuqlanish temperaturalari 8) agregat holat
A) 1, 2, 3, 8 B) 2, 5, 7 C) 2, 6, 7 D) 2, 6, 7, 8
12. Oddiy moddalar berilgan qatorni aniqlang.
A) ozon, olmos, karbid, grafit, generator gazi B) malaxit, azot, vodorod, xlor, suv gazi C) fullerin, temir, argon, lantan, qaldiroq gaz D) berilliy, ksenon, bo‘r, oq fosfor, sintez gaz
13. Oddiy moddalarni ko`rsating. 1) ozon 2) suv 3) olmos 4) silan 5) grafit 6) karbid 7) oq fosfor 8) qizil fosfor 9) fosfin A) 2,4,6,9 B) 1,3,4,6,7 C) 1,2,4,5,9 D) 1,3,5,7,8
14. Quyidagilardan qaysi birida allatropiya hodisasi kuzatilmaydi?
A) vodorod B) kislorod C) fosfor D) oltingugurt
15. Allotropik shakl o`zgarishlarga ega bo`lmagan moddani aniqlang. A) qalay B) surma C) uglerod D) ftor
16. Allotropik shakl o`zgarishlariga ega bo`lgan to’rtinchi guruh elementini aniqlang. A) uglerod B) fosfor C) titan D) azot
17. Tarkibida allotropik shakl o`zgarishli elementlar bo`lgan moddalarni toping. 1) N2H4 2) KBr 3) FeS2 4) LiF 5) CH4 6) HNO3 7) SnCl4 8) Fr₂Se
A) 2,4,5,7 B) 1,3,4,6,8 C) 3,5,6,7,8 D) 1,3,5,7,8
18. Quyidagilardan qaysi biri oddiy moddaga tegishli emas? A) yadro zaryadi B) hid C) zichlik D) ta’m
19. Kimyoviy elementga tegishli bo’lgan xossalarni toping.1) zichlik 2) rang 3) izotoplar 4) qaynash va suyuqlanish temperaturasi 5) elektron qobiq 6) yadro zaryadi
A) 2,3,6 B) 1,2,4 C) 1,5,6 D) 3,5,6
20. Quyidagilardan qaysi birida oddiy modda haqida so’z boradi?
A) sulfat kislota tarkibida kislorod bor B) baliqlar suvda erigan kislorod bilan nafas oladi C) qon tarkibidagi temir kislorod tashish uchun xizmat qiladi D) Magniy xlorofill tarkibiga kirib fotosintezda qatnashadi

1. Massaning atom birligi qiymatini (g) ko’rsating. A) 2∙10^-23 B) 1,66 ∙10^-24 C) 1 D) 1/12

2. Berilliy atomining massasini (g)aniqlang. A) 9 B) 5,418٠10^-22 C) 1,5٠10^-23 D) 0,668٠10^-23
3.Temir atomining massasini (g) hisoblang. A) 2,78 ∙10^-21 B) 2,97 ∙10^-21 C) 9,296 ∙10^-23 D) 1,784 ∙10^-26
4.Suv molekulasining massasini(g) hisoblang A) 18 a.m.b B) 2,99٠10^-23 g C) 6,02٠10²³ g D) A,B
5. Vodorod molekulasining massasini (g) aniqlang. A) 3,3٠10^-23 B)0,33٠10^-23 C) 33٠10^-23 D)3,3٠10^-22
6.Simob atomining absolyut massasi necha gramm? A) 2,4 ∙10^-24 B) 1,2 ∙10^-23 C) 1,5 ∙10^-22 D) 3,3 ∙10^-22
7. Kaliy va temir metallari atomlarining massalarini (g) toping. A) 6,48 ∙10²³ va 0,93 ∙10^-23 B) 6,5 ∙10^-24 va 9,3 ∙10^-24 C) 6,48 ∙10^-23 va 9,3 ∙10^-23 D) 39 va 56
8. Kislorod molekulasining massasini (g) aniqlang. A)5,3 ∙10^-23 B)0,53 ∙10^-23
C) 32 ∙10^-23 D) 3,2 ∙10^-22
9. 5 ta marganes atomining absolyut massasi necha gramm? A) 4,6∙10^-22 B) 5,5∙10^-23 C) 7,9∙10^-23 D) 9,13∙10^-23
10. 1,5 ta alyuminiy atomining massasini (g) hisoblang. A) 6,73∙10^-23 B) 27 C) 40,5 D) 2,7∙10^-23
11. 150 ta bo’lgan azot atomlari massasini (g) hisoblang. A) 1,39∙10^-22 B)1,71∙10^-21 C)23,24∙10^-24 D)3,5∙10^-21
12. 100 dona natriy atomining massasi necha gramm bo’ladi. A) 2,324∙10^-21 B)23,24∙10^-24 C) 3.818∙10^-21 D)1,39∙10^-22
13. 2 ta sulfat kislota massasini (g) aniqlang. A) 3.25٠10^-22 B) 5,418٠10^-22 C) 1,5٠10^-23 D) 0,668٠10^-23
14. Absolyut massasi 5,315∙10^-23 g ga teng bo’lgan elementni aniqlang A) O B) S C) Si D) C
15. Absolyut massasi 6.47∙10^-23 g ga teng bo’lgan elementni aniqlang. A) K B) S C) Si D) C
16. Absolyut massasi 9,296∙10^-23 g ga teng bo’lgan elementni aniqlang. A) K B) S C) Fe D) N
17. Haqiqiy massasi 1,992∙10^-23 g ga teng bo’lgan elementni aniqlang. A) K B) S C) Si D) C
18. 15 ta atomining massasi 6,98∙10^-22 g bo’lgan elementni aniqlang. A) N B)Si C) O D)Cr
19. 20 ta atomining massasi 2,98∙10^-22 g bo’lgan elementni aniqlang. A) N B)Be C) Mg D)K
20. 1,5 ta atomining massasi 1,394∙10^-22 g bo’lgan elementni aniqlang. A) N B)Si C) Fe D)Cr
1. Atomning haqiqiy massasi 6,6445·10^-23 g bo’lsa, uning nisbiy atom massasini toping. A) 50 B) 30 C) 40 D) 20
2. Atomning haqiqiy massasi 9,297·10^-23 g bo’lsa, uning nisbiy atom massasini toping. A) 50 B) 56 C) 58 D) 60
3. Atomning haqiqiy massasi 3,984·10^-23 g bo’lsa, uning nisbiy atom massasini toping. A) 24 B) 30 C) 20 D) 26
4. Noma’lum molekulaning haqiqiy(absolyut) massasi 1,66·10^-25 kg bo’lsa, uning nisbiy molekulyar massasini aniqlang. A) 60 B) 90 C) 100 D) 32
5. Noma’lum molekulaning haqiqiy(absolyut) massasi 9,96·10^-26 kg bo’lsa, uning nisbiy molekulyar massasini aniqlang. A) 60 B) 90 C) 100 D) 32
6. Molekulaning haqiqiy(absolyut) massasi 4,648·10^-26 kg bo’lsa, uning nisbiy molekulyar massasini aniqlang. A) 2 B) 16 C) 28 D) 26
7.Molekulaning haqiqiy(absolyut) massasi 6,308·10^-26 kg bo’lsa, uning nisbiy molekulyar massasini aniqlang. A) 20 B) 26 C) 28 D) 38
8. Molekulaning haqiqiy(absolyut) massasi 3,32·10^-24 g bo’lsa, uning nisbiy molekulyar massasini aniqlang. A) 4 B) 1 C) 2 D) 6
9. Atomning haqiqiy(absolyut) massasi 4,482·10^-23 g bo’lsa, uning nisbiy atom massasini aniqlang. A) 28 B) 36 C) 18 D) 27
10.Molekulaning haqiqiy(absolyut) massasi 7,97·10^-23 g bo’lsa, uning nisbiy molekulyar massasini aniqlang. A) 48 B) 36 C) 18 D) 26
11.H2SO4 ning nisbiy molecular massasini hisoblang. A)80 B)63 C)98 D)100
12. Agar uglerod birligi sifatida uglerod haqiqiy massasining 1/12 qismi emas, uglerod haqiqiy massasining o’zi olinsa,
nisbiy atom massa qiymati qanday o’zgaradi
A) 12 marta ortadi B) 6 marta ortadi C) 12 marta kamayadi D) o’zgarmaydi
13. Agar uglerod birligi sifatida uglerod absolut massasining 1/12 dan bir qismi emas, azot absolut massasining 3/7 qismi olinsa, nisbiy atom massa qiymati qanday o’zgaradi .
A) 5,14 marta ortadi B) 6 marta ortadi C) 6 marta kamayadi D) 6 marta ortadi
14. Agar uglerod birligi sifatida uglerod-12 izotopining 1/12 qismi emas, uglerod-14 izotopining 1/12 qismi olinsa, berilliyning nisbiy atom massa qiymati qanday bo’lgan bo’lar edi .
A) 9 B) 10,5 C) 7,71 D) 14
15. Agar nisbiy atom massa birligi sifatida uglerodning absolut massasining 1/12 qismi emas, 1/18 qismi olinsa, nisbiy atom massa qiymati qanday o’zgaradi .
A) 1,5 marta ortadi B) 1,5 marta kamayadi C) 1,8 marta ortadi D) 1,8 marta kamayadi
16. Agar nisbiy atom massa birligi sifatida uglerodning absolut massasining 1/12 qismi emas, 1/24 qismi olinsa, nisbiy atom massa qiymati qanday o’zgaradi .
A) 2 marta ortadi B) 2 marta kamayadi C) 4 marta ortadi D) 4 marta kamayadi
17. Agar nisbiy atom massa birligi sifatida uglerodning absolut massasining 1/12 qismi emas, 2/36 qismi olinsa, nisbiy atom massa qiymati qanday o’zgaradi .
A) 1,5 marta ortadi B) 1,5 marta kamayadi C) 1,8 marta ortadi D) 1,8 marta kamayadi
18. Agar massa atom birligi sifatida uglerodning absolut massasining 1/12 qismi emas, 1/16 qismi olinsa, nisbiy atom massa qiymati qanday o’zgaradi
A) 1,333 marta ortadi B) 1,333 marta kamayadi C) 1,666 marta ortadi D) 1,666 marta kamayadi
19. 2 mol H2SO4 necha g keladi. A) 98 B) 196 C) 294 D) 49
20. 0,25 mol H2SO4 necha g keladi. A) 12,25 B) 122,5 C) 24,5 D) 245
21. 5 mol H2O necha g keladi. A) 54 B) 80 C) 72 D) 90
22. 1,75 mol H4P2O7 necha g keladi. A) 233 B) 298,4 C) 311,5 D) 178
23. 4,5 mol Al ning massasini (g) aniqlang. A) 121,5 B) 27 C) 6,75 D) 145,8
24. 144 g suv necha mol keladi. A) 8 B) 6 C) 7 D) 9
25. 69 g Na necha mol keladi. A) 5 B) 3 C) 4 D) 1
26. 49 g H3PO4 molini aniqlang. A) 5 B) 0,3 C) 0,4 D) 0,5
27. 219 g HCl ning molini aniqlang. A) 8 B) 6 C) 4 D) 2
28. 2,5 mol kislorod saqlagan H2O massasini (g) toping. A) 45 B) 18 C) 27 D) 54
29. 5 mol kaliy saqlagan K2O massasini (g) toping. A) 145 B) 118 C) 227 D) 235
30. 2,5 mol kislorod saqlagan H2O massasini (g) toping. A) 45 B) 18 C) 27 D) 54
31. 0,25 mol modda 24,5 g kelsa, uning mulekular massasini aniqlang. A)98 B) 63 C) 49 D) 80
32. 0,75 mol modda 256,5 g kelsa, uning mulekular massasini aniqlang. A)270 B) 342 C) 420 D) 200
33. 1,25 mol modda 78,75 g kelsa, uning formulasini aniqlang. A)HNO3 B) H2SO4 C) Na3AsO4 D)H2O
34. 2,25 mol X modda 72 g kelsa, uning formulasini aniqlang. A)O2 B) O3 C) Na2O D)K2O
35. 8 g X element 0,3333 mol kelsa,noma’lum elementni toping. A)O B) F C) Na D)Mg
36. X2O3 tarkibli moddaning 0,2 moli 20,4 g kelsa, X ning nisbiy atom massasini toping. A)20 B) 27 C) 54 D)32
37. K2XO3 tarkibli moddaning 4 moli 552 g bo’lsa, X ning nisbiy atom massasini toping. A)75 B) 32 C) 12 D)28
38. XO3 tarkibli moddaning 0,3 moli 24 g bo’lsa, X ning nisbiy atom massasini toping. A)75 B) 32 C) 20 D)28
39. X3N2 tarkibli moddaning 0,3 moli 30 g bo’lsa, X elementni toping. A)Mg B) Si C) Na D)S
40. Mg3(XO4)2 tarkibli moddaning 0,15 moli 52,5 g bo’lsa, X elementni toping. A)Sb B) P C) Bi D)As
41. 2,5 mol H2O dagi suv molekulalari sonini hisoblang. A) 1,505 ∙1024 B) 9,03 ∙1023 C) 6,02 ∙1023 D) 1,204 ∙1024
42. 0,25 mol H2SO4 dagi sulfat kislota molekulalari sonini hisoblang. A) 1,505 ∙1024 B) 1,505 ∙1023 C) 9,03 ∙1023 D) 1,204 ∙1024
43. 6 mol NH3 dagi ammiak molekulalari sonini hisoblang. A) 24,08 ∙1024 B) 3,602 ∙1023 C) 18,06 ∙1023 D) 36,12 ∙1023
44. 1,25 mol H2O da nechta molekula bor.
A) 12,08 ∙1024 B) 7,525 ∙1023 C) 1,8 ∙1023 D) 3,12 ∙1023
45. 12,04 ∙1024 ta HNO3 da necha mol modda bor. A) 20 B) 2.5 C) 1 D) 3
46. 13,545 ∙1023 ta HCl da necha mol modda bor. A) 2.125 B) 2,25 C) 1.25 D) 3.75
47. 12,04 ∙1025 ta NaCl molekulasining molini hisoblang. A) 20 B) 2 C) 200 D) 0,2
48. 1,204 ∙1025 ta Na atomining massasini (g) aninqlang. A) 20 B) 4600 C) 46 D) 460 .
49. 1,3545 ∙1024 ta O2 molekulasining massasini (g) aninqlang. A) 72 B) 36 C) 46 D) 50
50. 5,45 ∙1024 ta Ca(OH)2 molekulasining massasini (g) aninqlang. A) 743 B) 348 C) 670 D) 870
51. 12,25 g H2SO4 dagi molekulalar sonini hisoblang. A) 1,505 ∙1024 B) 7,525 ∙1022 C) 6,122 ∙1023 D) 1,204 ∙1024
52. 90 g Ca dagi atomlar sonini hisoblang. A) 1,3545 ∙1024 B) 52,5 ∙1022 C) 3,122 ∙1023 D) 1,2674 ∙1024
53. 3,6 g H2O dagi suv molekulalari sonini hisoblang. A) 4,505 ∙1024 B) 7,525 ∙1022 C) 2,206 ∙1023 D) 1,204 ∙1023
54. 294 g H2SO4 dagi sulfat kislota molekulalar sonini hisoblang. A) 2,408 ∙1024 B) 6.02 ∙1022 C) 1,806 ∙1024 D) 1,204 ∙1024
55. 2.22 gr malaxitda nechta kislorod atomi bor. A)3,01·1023 B)0,301·1022 C)9,03·1023 D)3,01·1022
56. 4.2 gr dolomitda nechta uglerod atomi bor. A)3,01·1023 B)2,75·1022 C)12,75·1022 D)27,5·1023
57. 1.225 gr bertole tuzida nechta xlor atomi bor. A)6,02·1023 B) 6,02·1022 C) 6,02·1021 D) 6,02·1020