Surxondaryo viloyati boysun tumani 7-umumta’lim maktabining – “A

1-Nazorat ishi
Mavzu : Dastlabki kimyoviy tushunchalar
Nazorat shakli: Kimyoviy diktant.
1.Kimyo fani________________________________________________________
___________________________________________________to’g’risidagi fandir.
2.Jahonda tanilgan buyuk ajdodlarimiz___________________________________
_________________________________________________________________lar
VIII-X asrdalardayoq o’zlarining ilmiy asarlarida kimyoviy moddalardan turmush
ehtiyojlaridan va turli xil kasalliklarni davolashda foydalanish yo’llari haqida
dastlabki ma’lumotlarni keltirganlar.
3.kiyimingizga tekkan siyohni qanday yo’qotish mumkin?____________________ __ ________________________________________________________________
__________________________________________________________________
_________________________________________________________________________________________________________________________________________________________________________________________________________
4. Tajriba davomida termometr sinib ketsa , tokilgan simobni__________________
_______________________________________________ orqali yig’ib olish kerak.
5. Natriy metalini __________________________solingan idishda saqlash kerak.
6. Kislotani suyultirishda_________________________________________shart.
7._________________________________________________________________
_________________________________________________________________________________________________________________kimyoviy xossa deyiladi
Kompitentlikni aniqlash uchun materiallar:
8. Qandning suvda erishida qanday hodisa kuzatiladi ?_______________________
9. Nima uchun xonadonda ishlatiladigan shisha banka idishlarni olovga qo’yib
qizdirib bo’lmaydi?__________________________________________________
10. Alangani______qismga bolish mumkin. 1-alanganing yuqori qismi
_______________ 2-alanganing o’rta qismi ______________ 3-alangani pastki
qismi___________________________________________________bo ‘ladi.
11. Ifloslangan osh tuzini tozalash usullarini yozing.______________________ _____________________________________________________________________________________________________________________________________________________________________________________________________________________
12. Uy ro’zgorda ishlatiladigan asal, sut, o’simlik moyi qanday moddalarga misol bo’ladi?____________________________________________________________
______________________________________________________________________________________________________________________________________

Sana Ball Imzo
2-Nazorat ishi:
Mavzu:

Atom. Atom tuzilishi haqidagi bilimlarning rivojlanish tarixi

Atom va uning tuzilishi, proton, neytron va elektronlar

Kimyoviy element. Kimyoviy belgi

Kimyoviy elementning nisbiy atom massasi

Izotoplar. Izobarlar. Izotonlar

Kimyoviy formula. Valentlik