Nazorat shakli: Test sinovi Avogadro doimiysini ifodalovchi sonni ko‘rsating

Temir (lll) -xlorid tuzi necha bosqichda gidrolizlanadi?

a) 2; b) 3; c) 4; d) 1.

12. 
    
    Quyidagi qaysi moddaning suvdagi eritmasi ishqoriy muhitga ega?
    

a) NaCI; b) HCI; c) Na₂CO₃, d) NH₄CI.

14. Quyidagi keltirilgan moddalardan qaysi biri suvda eriganda kuchsiz kislotali reaksiya boradi?

a) NH₃; b) CO₂; c) SO₂; d) H₂S.

15. Kimyo fani rivojiga hissa qo‘shgan elektrolitik dissotsiyalanish nazariyasini yaratgan mashhur olimga 1903-yil Nobel mukofoti berilgan. Bu kimyogar olimning nomini ko‘rsating.

a) S.Arrenius; b) D.Mendeleyev; c) S.Kyuri; d) G.Devi.

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Nazorat ishining bali – bahosi:

7- NAZORAT ISHI

Mavzu: Oltingugurtning vodorodli va kislorodli birikmalari, sulfat kislota hamda uning xossalari, uni ishlab chiqarish, qaytar, qaytmas reaksiyalar, kimyoviy muvozanat

Nazorat shakli: Yozma ish

I variant

1. Oltingugurt (IV) -oksidning asosli oksidlar, ishqorlar bilan reaksiyasini yozing.

   
   

2. Quyidagi reaksiya tenglamasini davom ettiring va koeffitsiyentlarni toping.

   
   

CuCI₂ + H₂S ->

3. Vodorod sulfidning temir (III) -xlorid bilan reaksiyasini yozing va hosil bo‘lgan moddalarni nomlang.

4. Quyidagi o‘zgarishlardagi «A» va «B» moddalarni aniqlang:

A->FeSO₄->B->FeO->A->FeCI₂->B->FeO->A.
II variant

1. Sulfat kislotaning bariy xlorid, fosfor, uglerod bilan reaksiya tenglamasini yozing va azotning xossalarini tushuntiring.

   
   

2. Quyidagi reaksiya tenglamasini davom ettiring va koeffitsiyentlar yig‘indisini toping:

   
   

H₂S + HNO₃ ->

3. Sanoatda sulfat kislota ishlab chiqarish uchun bir necha bosqichli jarayonlar olib boriladi. Shu jarayonlarga tegishli reaksiya tenglamalarini ketma-ketlikda yozing.

4. Quyidagi o‘zgarishlardagi «A» va «B» moddalarni aniqlang:

A—> В -> CuCI₂ ->Cu(OH) ₂ -> В -> A


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Nazorat ishining bali – bahosi:

8- NAZORAT ISHI

Mavzu: Azot, ammiak, azotning kislorodli birikmalari, nitrat kislota, fosforning fizik, kimyoviy xossalari, tabiatda tarqalishi, ortofosfat kislota, fosfat kislota tuzlari, azotli va fosforli o‘g‘itlar ishlab chiqish

Nazorat shakli: Test sinovi

1. 
   
   Ammiakda azotning oksidlanish darajasi nechaga teng?
   

a) 5;

b) 4;

c) 3;

d) -3.

2. 
   
   Ammiak laboratoriya sharoitida qanday olinadi?
   

1. Ammoniy tuzlariga ishqor ta’sir ettirib.

   
   

2. Odatdagi sharoitda suv ta’sir ettirib.

   
   

3. Past temperaturali issiqlik ta’sir ettirib.

   
   

4. Ammoniy tuzlariga kislotalarni ta’sir ettirib.

   
   

3. 
   
   O‘zbekistonda ammiak qayerlarda ishlab chiqariladi?
   

1) Chirchiq. 2) Farg‘ona. 3) Namangan. 4) Jizzax. 5) Navoiy.

a) 1, 2, 5;

b) 2, 3;

c) 4, 5, 1;

d) 3, 4, 2.

3. 
   
   Azotning «Kuydiruvchi gaz» deb ataluvchi oksidini ko‘rsating.
   

a) N₂O;

b) NO;

c) N₂O₃;

d) NO₂.

5. «Chili selitrasi» deb nom olgan moddani ko‘rsating.

a) NH₄Cl;

b) NaNO₃;

c) NH₄NO₂;

d) Na₂SO₄.

6. Fosforning tabiiy birikmalari fosforit va appatitning kimyoviy tarkibi ifodalangan qatorni ko‘rsating.

a) PCI₃;

b) Ca₃P₂;

c) Ca₃(PO₄)₂;

d) P₂S₅.

7. Azot laboratoriyada qaysi usulda olinadi?

1. Havoni suyultirib.

   
   

2. Zavoddan gaz balonlarda olib kelinadi.

   
   

3. Mis (II) oksid ustidan ammiak gazi o‘tkazib.

   
   

4. Ammoniy xloridni qizdirib.

   
   

8. Azot qaysi modda bilan to‘g‘ridan-to‘g‘ri reaksiyaga kirishishini ko‘rsating:

a) magniy;

b) litiy;

c) kislorod;

d) vodorod.

9. Azotning asosiy miqdori qaysi maqsadlarda ishlatiladi?

a) ammiak olish;

b) o‘g‘it olish;

c) lampochkani to‘ldirish;

d) mashina detallarini to‘ldirish.

10. 
    
    Fosforning oksidlanish darajasi qaysi qatorda to‘g‘ri ko‘rsatilgan?
    

a) -2, 0, +6, +8;

b) -4, -1, -2, +7;

c) -3, 0, +3, +5;

d) +1 , +4, -5, -6.

10. 
    
    Azot necha gradusda suyuqlanadi?
    

a) -200;

b) -205;

c) -210;

d) -195.

12. Ortofosfat kislota kumush nitrat bilan ta’sirlashganda qanday rangli cho‘kma hosil bo‘ladi?

a) ko‘k rangli;

b) sariq rangli;

c) yashil rangli;

d) qizil rangli.

13. 
    
    Quyida keltirilgan fosfatlardan qaysi biri suvda eriydi?
    

a) (NH₄)₃PO₄;

b) (NH₄)₂HPO₄;

c) Ca(H₂PO₄)₂;

d) NH₄HPO₄.

13. 
    
    Fosforli o‘g‘itlardan biri bo‘lgan qo‘sh superfosfatni ko‘rsating:
    

a) Ca₃(PO₄)₂;

b) CaSO₄ x H₂O;

с) CaHPO₄ x 2H₂O;

d) Са(Н₂РO₄)₂.

13. 
    
    Kaliyli o‘g‘it tarkibidagi ozuqa elementini ko‘rsating:
    

a) KNO₃;

b) K₂O;

c) KCI;

d) K₂SO_4.

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Nazorat ishining bali – bahosi: