Kuiz Keseimbangan Redoks
Quiz
•
Chemistry
•
5th Grade
•
Practice Problem
•
Medium
halimaton mohammad
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara berikut, yang manakah berlaku tindak balas semasa tindak balas penurunan?
Menerima elektron
Kehilangan hidrogen
Menerima elektron
Penambahan nombor pengoksidaan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nombor pengoksidaan nitrogen dalam NH4Cl?
+1
+3
-1
-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakaj BENAR mengenai persamaan kimia seimbang di bawah?
H2S + Cl2 ---> S + 2HCl
Hidrogen sulfida mengalami pengoksidaan dengan kehilangan hidrogen membentuk sulfur.
Gas klorin mengalami penurunan dengan penerimaan hidrogen membentuk asid hidroklorik
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah ialah tindak balas redoks?
Fe + CuSO4 --> FeSO4 + Cu
2HCl + CaCO3 --> CaCl2 + CO2 + H2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, bahan yang manakah boleh menukarkan ion Ferum (III) kepada ion Ferum (II)?
Air bromin
Hidrogen sulfida
Air klorin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nilai bagi x, y dan z?
x: 12 y:7 z: 6
x: 14 y: 6 z:7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nyatakan perubahan nombor pengoksidaan bromin dalam tindak balas tersebut.
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0 kepada -1
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