
UAS KIMIA TAHAP 1

Quiz
•
Chemistry
•
10th Grade
•
Medium
anggri anggraini
Used 20+ times
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari persamaan reaksi redoks berikut, harga koefisien reaksi a, b, c, dan d berturut-turut adalah …
a Cu(s) + b AgNO3(aq) → c Cu(NO3)2(aq) + d Ag(s)
1, 1, 2, dan 2
1, 2, 1, dan 2
2,1, 2, dan 1
2, 3, 1, dan 1
2, 3, 2, dan 3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah yang merupakan contoh reaksi oksidasi...
Cu2+ → Cu
F2 → F-
Cl- → Cl2
Cr2O72+ → CrO42-
H2O → H+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai bilangan okidasi dari Cr didalam K2CrO4 adalah . . .
4
5
6
7
8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui persamaan reaksi redoks :
Cr2O72- (aq) + a Fe2+ (aq) + H (aq) → b Cr3+(aq) + c Fe3+ (aq) + H2O (1)
Jika persamaan reaksi disetarakan, harga koefisien a, b dan c masing-masing adalah …
6, 3 dan 6
6, 2 dan 6
4, 3 dan 5
3, 4 dan 5
3, 4 dan 3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi tertinggi dari atom Cl terdapat pada senyawa…
KCl
KClO
CaCl2
KClO3
AlCl3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Timbal (II) nitrat mempunyai rumus kimia …
PbNO3
Pb2NO3
Pb(NO3)2
TbNO3
Tb2NO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nama senyawa As2O3 yang tepat adalah …
Arsen oksida
Diarsen oksida
Diarsen trioksida
Arsen trioksida
Diarsen trioksigen
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