Test topshirig‘I

TEST TOPSHIRIG‘I

1. 
   6.02*10²⁴ ta atom tutgan NO₂ ni massasini toping.
   

1. 
   153.3 g B) 155.3 g C) 135.3 g D) 46 g
   

2. 
   112 l n.sh da O₃ tarkibidagi atomlar sonini toping?
   

A) 9.03 *10²³ B) 6.03 *10²³ C) 903 *10²³ D) 90.3*10²³

3. 
   21.07*10²³ ta atom tutgan H₂SO₄ ning modda miqdorini toping.
   

A) 0.25 mol B) 0.5 mol C) 0.15 mol D) 0.75 mol

4. 
   0.4 mol azot (V) oksid tarkibidagi atomlar sonini aniqlang.
   

A) 17.856*10²³ B) 15.856*10²³ C)16.856*10²³ D) 12.856*10²³

5. 
   54.18*10²³ ta atom tutgan CO₂ hajmini (n.sh) l aniqlang
   

A) 67.2 l B) 44.8 l C) 22.4 l D) 11.2 l

6. 
   3.01*10²⁴ ta atom tutgan CO₂ ni massasini toping.
   

A) 75.3 g B) 73.3 g C) 72.3 g D) 71.3 g

7. 
   4.48 l n.sh da metan tarkibidagi atomlar sonini toping?
   

A) 60.2*10²³ B)6.02*10²³ C) 6.02*10²² D) 6.02*10²⁴

8. 
   21.07*10²³ ta atom tutgan HNO₃ ning modda miqdorini toping.
   

A) 0.5 mol B) 0.7 mol C) 0.2 mol D) 7 mol

9. 
   0.8 mol suv tarkibidagi atomlar sonini aniqlang.
   

A) 14.448*10²³ B) 144.48*10²³ C) 1.4448*10²³ D) 1444.8*10²³

10. 
    20 g ammoniy nitrat tarkibidagi vodorod atomlari sonini aniqlang.
    

A) 60.2*10²³ B)6.02*10²³ C) 6.02*10²² D) 6.02*10²⁴

11. 
    12,04*10²³ ta molekula tutgan NaOH ni massasini toping.
    

A) 40 g B)120 g C) 20g D) 80 g

12. 
    0.5 mol Cl₂ n.sh da qancha hajmni egallaydi?
    

A) 22.4 l B) 11.2 l C) 44.8 l D) 33.6 l

13. 
    80 g moddada 12,04*10²³ ta molekula bo ‘lsa, shu moddaning molyar massasini toping .
    

A) 40 g B) 80 g C)20 g D)60 g

14. 
    24.08*10²² ta molekula tutgan ammiakning hajmini (n.sh) da aniqlang.
    

A) 22.4 l B) 48 l C) 8.96 l D) 89.6 l

15. 
    49 gramm H₃PO₄ ning tarkibidagi atomlar sonini toping.
    

A) 24.08*10²² B)240.8*10²³ C) 2.408*10²³ D) 24.08*10²³

16. 
    12,04*10²³ ta molekula tutgan KOH ni massasini toping.
    

A) 56 B) 112 C) 122 D) 156

17. 
    5 mol O₃ n.sh da qancha hajmni egallaydi?
    

A) 22.4 l B) 67.2 l C) 112 l D) 224 l

18. 
    10 g moddada 6,02*10²² ta molekula bo ‘lsa, shu moddaning molyar massasini toping .
    

A) 100 g/mol B) 10 g/mol C) 1000 g/mol D) 0.1 g/mol

19. 
    18.06*10²² ta molekula tutgan vodorodning hajmini (n.sh) da aniqlang.
    

A) 22.4 l B) 67.2 l C) 112 l D) 224 l

20. 
    24.5 gramm H₂SO₄ ning tarkibidagi atomlar sonini toping.
    

A) ) 10.535*10²² B)105.35*10²³ C) 10.535*10²³ D) 1.0535*10²²
21. Tarkibida 20% qo ‘shimchalari bo ‘lgan texnik ohaktoshning necha gr mi parchalanganda 28.16 gr gaz hosil bo ‘ladi? (reaksiya unumi 50%)
A) 160 g B) 128 g C) 56.32 g D) 200 g
22. Tarkibida 25% qo’shimchalari bo‘lgan 200 gr ohaktoshdan qancha kalsiy oksidini olish mumkin? Reaksiya unumi 75%.
A) 150 g B) 63 g C) 84 g D) 100 g
23. Tarkibida 80% sof malaxit bo‘lgan 666 gr mineraldan qancha gr mis (II) oksid ajratib olish mumkin?
A) 480 g B) 834 g C) 532.8 g D) 160 g
24. Kaliy gidridiga suv ta’sir ettirilganda 11.2 l gaz ajralib chiqdi? Agar reaksiya unumi 50% bo‘lsa , reaksiyada qatnashgan kaliy gidrid massasini toping?
A) 10 g B) 22.4 l C) 20 g D) 40 g
25. 48 gr ammoniy karbonat termik parchalanishidan hosil bo ‘lgan gazlar massasi (g) yig ‘indisini toping?
A) 39 g B) 78 g C) 7.8 g D) 3.9 g