kimyo 9 sinf 2 bob

kimyo 9 sinf 2 bob

Assessment

Quiz

Chemistry

9th Grade

Hard

Created by

Ilhom Yarashov

Used 2+ times

FREE Resource

Student preview

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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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