
Mengira Nombor Pengoksidaan
Authored by Su Ling Thung
Chemistry
7th - 11th Grade
Used 19+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Yang manakah antara berikut berlaku semasa pengoksidaan?
Kehilangan atom oksigen
Penerimaan atom hidrogen
Penerimaan elektron
Nombor pengoksidaan bertambah
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bahan yang manakah adalah satu contoh agen pengoksidaan?
Air klorin
Serbuk zink
Gas hidrogen
Larutan ferum(II) sulfat
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Yang manakah adalah tindak balas redoks?
KOH + HCl --> KCl + H2O
Mg + Pb(NO3)2 --> Mg(NO)3)2 + Pb
Na2CO3 + Ca(NO3)2 --> CaCO3 + 2NaNO3
ZnCO3 + 2HNO3 --> Zn(NO3)2 + H2O + CO2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apakah nombor pengoksidaan Br dalam BrO4-?
+4
+5
+7
+8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bahan yang manakah adalah satu contoh agen pengoksidaan?
Air klorin
Serbuk zink
Gas hidrogen
Larutan ferum(II) sulfat
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan manakah yang tidak mewakili tindak balas redoks?
Zn + CuSO4 --> ZnO + Cu
Cl2 + H2S --> 2HCl + S
ZnCl2 + 2NaOH --> Zn(OH)2 + 2NaCl
PbS + 4H2O2 + PbSO4 + 4H2O
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Antara yang berikut, yang manakah menunjukkan tindak balas penurunan?
Penerimaan oksigen
Kehilangan hidrogen
Kehilangan elektron
Pengurangan nombor pengoksidaan
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