kimyo 9 sinf 2 bob
Quiz
•
Chemistry
•
9th Grade
•
Hard
Ilhom Yarashov
Used 2+ times
FREE Resource
Student preview

22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qaysi moddalar elektrolit bo’la olishi mumkin?
kislota, ishqor, shakar
karbonat angidrid
shakar, spirt,
metan, kislota, tuz
kislota, ishqor, tuz
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektrolitlar qanday holatda elektr tokini o’tkazmaydi?
suvda eritilganda
Kristall-holda
suyuqlantirilgan holatda
konsentrlangan eritma
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Osh tuzining suvda erishi bilan bog’liq to’g’ri firni toping.
ionlar erkin holatda bo’ladi
ionlarga ajramaydi
gidratlangan ionlar hosil qiladi
faqat musbat zaryadli ion hosil qiladi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qanday moddalar suvda erib H3O+ ionini hosil qiladi?
HCl
NaOH
osh tuzi
K₂SO₄
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dissotsiyalanganda kation sifatida faqat vodorod ioni hosil qiluvchi moddani ko’rsating.
NaHSO₄
NaOH
HNO₃
NaCl
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
180C dagi 0,05M li sulfat kislotaning dissotsiyalanish darajasi (% nechaga teng?
58
56
40
85
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuchli elektrolitni ko’rsating.
HNO₂
shakar
FeSO₄
H2S
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