1-Nazorat ishi

To’ldiruvchi savollar


------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------To’ldiruvchi so’rov bali ________


II variant
1. 9g suv hosil qilish uchun qancha massa vodorod va kislorod kerak bo’ladi?
2. Tarkibida 43,66% fosfor va 56,33% kislorod bo’lgan moddaning formulasini aniqlang.
3.8g kislorodning normal sharoitidagi hajmini va undagi molekulalar sonini toping.
4. 42,75g aluminiy sulfat AL₂(SO₄) ning modda miqdorini hisoblang.
5. Quyidagi reaksiyalarini tugallangan va koeffitsiyentlarni tanlang.
t^{o III}
CH₄------- Fe+CL₂=
Masalalarni yechilishi_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Nazorat ishining bali _________