Takrifan Redoks(1)
Quiz
•
Chemistry
•
5th Grade
•
Practice Problem
•
Hard
CHUINH Moe
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Maksud tindak balas REDOKS adalah:
Hanya tindak balas pengoksidaan yang berlaku .
Tindak balas pengoksidaan dan penurunan yang berlaku secara serentak.
Hanya tindak balas penurunan yang berlaku .
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg + CuO → MgO + Cu
Berdasarkan persamaan kimia di atas :
Magnesium, Mg menderma oksigen dan dioksidakan
Magnesium, Mg menerima oksigen dan diturunkan
Magnesium, Mg menerima oksigen dan dioksidakan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3CuO + NH3 → 3Cu + 3H2O + N2
Berdasrkan persamaan di atas:
CuO merupakan agen pengoksidaan.
CuO merupakan agen penurunan.
Kuprum(II) oksida, CuO kehilangan hidrogen
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pernyataan manakah yang mendefinisikan pengoksidaan?
Penambahan nombor pengoksidaan
Terima hidrogen
Hilang oksigen
Terima elektron
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Antara berikut yang manakah agen pengoksidaan?
Magnesium
Air bromin
Kalium iodide
Kalium dikromat (VI) berasid
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Antara yang berikut, yang manakah berlaku dalam tindak balas pengoksidaan?
Kehilangan oksigen
Penerimaan hidrogen
Penerimaan elektron
Penambahan nombor pengoksidaan
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements refer to oxidation?
Pernyataan yang manakah merujuk kepada pengoksidaan?
I Process of losing oxygen
Proses kehilangan oksigen
II Process of gaining hydrogen
Proses penerimaan hidrogen
III Process of losing electrons
Proses kehilangan elektron
IV Process of increasing oxidation number
Proses penambahan nombor pengoksidaan
I and II only
III and IV only
I, II and III only
I, II , III and IV
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