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

12. Faqat kislorodli kislotalardan iborat qatorni ko‘rsating.

a) H₂S, H₂CO₃, HF;

b) HNO₃, H₂CO₃, H₂SiO₃;

c) HBr, HCN, HCl;

d) HCI, H₂CrO₄, H₂S.

13. Ikki negizli kislotalar qatorini ko‘rsating.

a) HCI, HBr, HNO₃;

b) H₃PO₄, H₃BO₃, H₃AsO₄;

c) H₂SO₄, H₂CO₃; H₂SO₃

d) H₄P₂O₇, HNO₃, H₃AsO₃.

14. Tuzlarga berilgan to‘g‘ri ta’rifni ko‘rsating.

a) Molekulasida metall atomi kislota qoldig‘idan tashkil topgan murakkab moddalar.

b) Tarkibi vodorod atomlari va kislota qoldig‘idan tarkib topgan murakkab moddalar.

c) Tarkibi metall atomi va gidroksog ruppadan tarkib topgan murakkab moddalar.

15. Oddiy modda qaysi bandda keltirilgan?

a) FeO₃;

b) K₂O;

c) H₂SO₄;

d) O₂.

Test raqami	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Javob
Ball

Nazorat ishining bali – bahosi:
2- NAZORAT ISHI

Mavzu: Atom yadrosi tarkibi, izotoplar, izobarlar, energetik pog‘onachalar, davriy qonun va davriy sistema

Nazorat shakli: Yozma ish

I variant

1. Ca, K, Li, H elementlarini energetik pog‘onachalarda elektronlarining taqsimlanishini yozing.

   
   

2. Dorixonalarda sotiladigan yodli eritma yodning spirtdagi 10% li eritmasidir. 500 g shunday eritma tayyorlash uchun qancha yod va erituvchi kerak?

   
   

3. Aluminiyni davriy jadvalda tutgan o‘rniga qarab unga ta’rif bering.

4. Quyidagi o‘zgarishlarni amalga oshirish uchun zarur bo‘lgan tajribalarni bajaring va reaksiya tenglamalarini yozing:

CuO -> CuCI₂ ->Cu(OH) ₂ ->CuO.

II variant

1. Mg, Сu, P, O₂ elementlarini energetik pog‘onachalarda elektronlarining taqsimlanishini yozing.

   
   

2. Natriy metalini davriy sistemada tutgan o‘rniga qarab unga ta’rif bering.

   
   

3. Quyidagi o‘zgarishlarni amalga oshirish uchun zarur bo‘lgan tajribalarni bajaring va reaksiya tenglamalarini yozing.

   
   

Fe -> FeSO₄ ->Fe(OH ) ₂ ->FeO ->Fe.

4. Natriy sulfat tuzining 7,1% li 200 g eritmasiga mol miqdor bariy xlorid eritmasi quyilganda hosil bo‘lgan cho‘kmaning massasini toping.

   
   

_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Nazorat ishining bali – bahosi: