Kuchli elektrolitlar keltirilgan qatorni tanlang.

Dissotsiolanish -sinov

Quiz
•
Bobomurod Abdixashimov
•
Chemistry
•
11th Grade
•
3 plays
•
Hard
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
karbonat kislota, perxlorat kislota, nitrat kislota
ammoniy atsetat, vodorod sulfid, nitrit kislota
sulfat kislota, nitrat kislota, natriy sulfat
kremniy kislota, sirka kislota, nitrat kislota
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qaysi qatorda faqat kuchsiz elektrolitlar joylashgan?
KC1, Na2SO4, KOH, Ca(NO3)2
KNO3, HCl, CaCO3, LiOH
Ni(OH)2, HC1O4, NH4OH , H2CO3
CH3COOH, H2CO3, H2SO3, NH4OH
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alyuminiy sulfat eritmasida dissotsiyalanmagan molekulalari soni 25 ta bo'lsa, eritmadagi alyuminiy ionlar sonini hisoblang (a = 80%).
100
500
200
300
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alyuminiy xlorid eritmasida 600 dona ion mavjud bo'lsa, eritmadagi dissotsiyalanmagan alyuminiy xlorid molekulalari sonini hisoblang
(a = 75%).
200
800
150
50
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kalsiy xloridning dissotsiyatsiyalanmagan molekulalar sonining dissotsiyatsiyalangan molekulalardan hosil boigan ionlar soniga nisbati 1:8 bo'lsa, kaisiy xloridning dissotsiyatsiyalanish darajasini (a %) aniqlang?
73
80
89
75
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Aluminiy nitratning 200 ta molekulasini tutuvchi eritmada dissotsilanish oqibatida hosil bo'Igan anionlar soni dissotsilanmagan molekulalar sonidan 480 taga ko‘p bo‘lsa, dissotsiyalanish darajasini (%) toping.
90
85
80
75
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
0,25 mol X2YO4 tuzi 100 ml suvda eritildi. Tuz erishidan hosil bo'lgan kation tarkibida 4∙NA ta, anion tarkibida 10∙NA ta elektron bo'lsa, fuzni aniqlang. (a=80%)
Na2SO4
K2SeO4
Na2SeO4
K2SO4
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