๐ง miyani charxlaymizโ๏ธ
โ๏ธ javobingizni tahlil guruhida bildiring
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๐ง miyani charxlaymizโ๏ธ
โ๏ธ javobingizni tahlil guruhida bildiring
5๏ธโฃ 0๏ธโฃ ๐ฃ โค๏ธ โค๏ธ โค๏ธ ๐ IYUNDAN 3๏ธโฃ OYLIK YOZGI TA'TIL KURSIGA START๐ BERILADI
ustoz๐จ๐ปโ๐ซ Bunyod Raxmanov
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yechimga nazariy asos manbasi UNIVERSAL KIMYO
buyurtma๐ฆ @universal_kimyo
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KIMYOVIY ELEMENT ๐ ODDIY MODDA
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Cl ning qaysi oksidlanish darajali oksidlari amfoter oksidlar guruhiga kiradi?
Anonymous Quiz
16%
+1,+3
32%
+3,+5
9%
+5,+7
36%
xech qaysi biri
7%
barchasi
gipoxlorit angidrid?
Anonymous Quiz
13%
asosli oksid
53%
kislotali oksid
16%
amfoter oksid
18%
indifferent oksid
kaliy superoksididagi kislorod atomlarining umumiy holatdagi oksidlanish darajalari qiymati?
Anonymous Quiz
34%
-1, -1
29%
-0.5, -0.5
27%
-1, 0
10%
-1, +1
kaliy superoksididagi kislorod atomlarining oniy holatdagi oksidlanish darajalari qiymati?
Anonymous Quiz
38%
-1, -1
22%
-0.5, -0.5
32%
-1, 0
8%
-1, +1
๐ง miyani charxlaymizโ๏ธ
โ๏ธ javobingizni tahlil guruhida bildiring
5๏ธโฃ 0๏ธโฃ ๐ฃ โค๏ธ โค๏ธ โค๏ธ ๐ IYUNDAN 3๏ธโฃ OYLIK YOZGI TA'TIL KURSIGA START๐ BERILADI
ustoz๐จ๐ปโ๐ซ Bunyod Raxmanov
kanal๐ @ChemOfficer
kanal๐ @olympic_uz_ru_en
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๐ง miyani charxlaymizโ๏ธ
โ๏ธ javobingizni tahlil guruhida bildiring
5๏ธโฃ 0๏ธโฃ ๐ฃ โค๏ธ โค๏ธ โค๏ธ ๐ IYUNDAN 3๏ธโฃ OYLIK YOZGI TA'TIL KURSIGA START๐ BERILADI
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(xโ3)โ(y+2)=2
xโy=7
3+xโy=z
z=10
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โค1
IYUN
1๏ธโฃ IYUN๐๐๐จ
1๏ธโฃ SENTYABR ๐
kanal
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๐ด ๐ก ๐ข
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2๏ธโฃ6๏ธโฃ0๏ธโฃ5๏ธโฃ2๏ธโฃ4๏ธโฃ
โ๏ธMILLIY AERTIFIKATโ๏ธ
o'sha paytda kirib chiqqanlarning xotirasida boricha kanalga yetib kelgan test-topshiriqlar tahlilini takrorlab olamiz๐ฌ
โ๏ธMILLIY AERTIFIKATโ๏ธ
o'sha paytda kirib chiqqanlarning xotirasida boricha kanalga yetib kelgan test-topshiriqlar tahlilini takrorlab olamiz
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Kalsiy gipofosfit molekulasidagi kimyoviy bog'lar sonini toping?
ะกะฐ(ะ2ะ ะ2)2 โ (2*2*2)O+(2*2)H=12
โ 12
5๏ธโฃ 0๏ธโฃ ๐ฃ โค๏ธ โค๏ธ โค๏ธ ๐ IYUNDAN 3๏ธโฃ OYLIK YOZGI TA'TIL KURSIGA START๐ BERILADI
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ะกะฐ(ะ2ะ ะ2)2 โ (2*2*2)O+(2*2)H=12
โ 12
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โค1
P4S7 + NO3- + H2O = PO4(3-) + SO4(2-) + H+...
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1,1โข10^-8 M li HCl eritmasi pH qiymati topilsin.
A) 7
B) 6,98
C) 8
D) 7,02
B)โ pH=-lg(0,00000011)=6,98
5๏ธโฃ 0๏ธโฃ ๐ฃ โค๏ธ โค๏ธ โค๏ธ ๐ IYUNDAN 3๏ธโฃ OYLIK YOZGI TA'TIL KURSIGA START๐ BERILADI
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A) 7
B) 6,98
C) 8
D) 7,02
B)โ pH=-lg(0,00000011)=6,98
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