
ximiyaa
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
Asiya Abdullaeva
Used 2+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qaysi indikator kislota ta'sirinde ren'in o'zgertpeydi?
universal indikator
fenolftalein
lakmus
metiloranj
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anarda qaysi kislota ushiraydi?
sirke kislota
limon kislota
alma kislota
shavul kislota
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Etilenge salistirmali tig'izlig'i 1 ge ten' bolg'an oksid biyta'rep oksid bolsa, onin' 2 molindegi ja'mi atomlar sanin tabin'?
12 NA
3 NA
4 NA
6 NA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gidroksidlerdi tiykarliq qa`siyeti kemiyip bariw ta'rtibinde jaylastirin':
1.bariy gidroksid
2.berilliy gidroksid
3.stronsiy gidroksid
4.kalciy gidroksid
5.magniy gidroksid
1,2,5,4,3
1,3,4,5,2
2,1,4,5,3
2,5,4,3,1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ko'lemleri ten` bolg'an vodorod, azot ha`m uglerod(IV) oksid aralaspasinin' ortasha molekulyar massasin aniqlan?
20.2
24.7
26.5
28
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
400 gr 16% li CuSO4 eritpesi elektroliz qiling'anda anodda (inert elektrod) 17,92 litr (n.j) gaz ajiraldi. Elektroliz ushin sariplang`an tok mug`darin (F) aniqlan'?
18
3
1.6
3.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To'mendegi reakciyalardin' qaysi birin a'melge asirip bolmaydi:
1.KClO3 + Br2 =
2.NaBrO3 + Cl2 =
3. KBr + Cl2 =
4. NaCl + Br2 =
1,4
2,4
1,3
2,3
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