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Kuiz Redoks (1)

Authored by walhanna moe

Chemistry

5th Grade

Used 61+ times

Kuiz Redoks (1)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bahan yang kehilangan oksigen akan mengalami tindak balas

pengoksidaan

penurunan

pembakaran

penghidrogenan

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A

B

C

D

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Manakah antara berikut bukan cara untuk mencegah pengaratan?

Perlindungan logam korban

Menggunakan lapisan pelindung

Peneutralan

Pengaloian

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Persamaan ion berikut menunjukkan tindak balas antara zink dengan asid.


Zn + 2H+ --> Zn2+ + H2


Apakah perubahan nombor pengoksidaan hidrogen?

0 kepada +1

0 kepada +2

+1 kepada 0

+1 kepada +2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A

B

C

D

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Rajah menunjukkan setitis air di atas sebatang besi. Persamaan manakah yang berlaku di katod?

Fe ----> Fe2+ + 2e-

Fe2+ + 2e- -----> Fe

O2 + H2O + 4e- ----> 4OH-

4OH- -----> O2 + H2O + 4e-

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