KIMIA T5- Pengoksidaan dan Penurunan 1
Quiz
•
Chemistry
•
5th Grade
•
Practice Problem
•
Hard
DIANA Moe
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan manakah yang mendefinisikan pengoksidaan?
Penerimaan elektron
Kehilangan oksigen
Penerimaan hidrogen
Peningkatan nombor pengoksidaan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakan antara berikut BENAR tentang setengah persamaan ini?
Elektron didermakan oleh iodin
Elektron diterima oleh iodin
Elektron didermakan oleh ion iodida
Elektron diterima oleh ion iodida
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam suatu tindak balas, nombor pengoksidaan bromin berubah dari +1 kepada +5. Ini menunjukkan bromin mengalami tindak balas .....
pengoksidaan
penurunan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yanag manakah merupakan tindak balas penurunan?
HBr → Br2
SO32- → SO42-
MnO4- → Mn2+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam tindak balas redoks berikut, bahan manakah yang mengalami pengoksidaan?
Mg
O2
MgO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bahan yang mengalami penurunan ialah
Gas ammonia, NH3
Pepejal kuprum(II) oksida, CuO
Gas nitrogen, N2
Pepejal kuprum, Cu
Air, H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Setengah persamaan ini menunjukkan pepejal kalsium mengalami tindak balas __________.
pengoksidaan
penurunan
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