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2-NAZORAT ISHI.
1.Kalsiyning absolyut massasi berilgan qatorni toping.
A)56,4•10-27kg B)66,4•10-27kg S)546 •10-27kg D)16,4 •10-27kg
2.Foydali qazilmalarni 90%miqdorini qaysi elementlar tashkil etadi?
A)Kalsiy, vodorod,uglerod, nikel, qo’rg’oshin.
B)Kalsiy, kislorod,uglerod, kremniy,temir.
S)Kalsiy,kislorod,temir, kremniy,alyuminiy.
D)Kislorod,uglerod,vodorod,kremniy, alyuminiy.
3.Molekulyar tuzilishli moddalar qaysi olim nomi bilan atalad?
A)Bertole B)Dalton S)Lamanosov D)Lavuaze
4.Sof modda berilgan qatorni toping.
A)mis sim B)suv bug’i S)olmos,asal. D)Ava B
5. ushbu idish qanday nomlanadi?
A)o’lchov kolbasi
B)tubi yumaloq kolba
S) probirka
D) konussimon kolba
6.Oddiy moddalar berilgan qatorni toping.
A)H2,NO B)O2,HCl S)N2,O2 HCl, H2O
7.Murakkab moddalar berilgan qatorni toping.
A)HCl,H2O B)N2O, H2 S)O2,N2 D)NaCl,H2
8.Moddani hosil qilish jarayoni ………………..deb ataladi.
A)analiz B)sintez S)allotropiya D) sublimatlanish.
9.Uglerodni allotropiyasi berilgan qtorni toping.
A)olmos, grafit, karbin, fullerin. S)oq,qora,qizil.
B)rombik plastik, Monoklinik. D)barcha javoblar to’g’ri.
10.Valentlik qaysi elementga nisbatan aniqlanadi?
A) kislorod B)vodorod S)litiy D)uglerod
11.H2SO4da S ning valentligi nechaga teng?
A)IV B)V S)VI D)III
12.3,4gr NH3 necha mol?
A)0,1 B)1 S)0,3 D)0,2
13.Avagadro doimiysi nechaga teng?
A)1,66•10-23kg B)6,02 •1023mol-1 S)1,7 •10-27kg D)6 •10-23mol
14.Alyuminiyning valentligi nechaga teng?
A)III B)II S)IV D)V
15.Sublimatlanish hodisasiga misollar keltirilgan qatorni toping.
A)yod, azot
B)yod, naftalin, quruq muz.
S)naftalin, nitrat kislota.
D)quruq muz, Bertole tuzi
Javob
Savol
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Baho________ O`qituvchi: _______ _____________________
3-NAZORAT ISHI.
Mavzu:Fizik va kimyoviy o’zgarishlar.Kimyoviy reaksiya tenglamalari. Koeffitsiyent. Tarkibning doimiylik qonuni. Massaning saqlanish qonuni. Avagadro qonuni. Molar hajm. Kimyoviy reaksiya turlari.
Nazorat shakli: masala yechish.
1.Tarkibida 50%S va 50%O bo’lgan moddaning formulasini toping.___________
2.32gr SO2 ning modda miqdorini toping. _________________________________
3.Quyidagi reaksiyani tugallang va koeffisiyentlar qo’ying.
H2+O2= Cu+Cl2=
Kompetentlikni aniqlash uchun materiallar:
4.Fizik o’zgarishlarni hayotiy misollar orqali tushuntiring.
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5.Tarkibning doimiylik qonunini hayotda kuzatgan misollar orqali izohlab bering.
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Baho________ O`qituvchi: _______ _____________________
Do'stlaringiz bilan baham: |
