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Tindak Balas RedOks

Authored by Nurlina Bolong

Chemistry

1st Grade

Used 3+ times

Tindak Balas RedOks
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Antara berikut yang manakah maksud yang betul untuk pengoksidaan?

Bahan kehilangan oksigen

Bahan menerima hidrogen

Bahan kehilangan elektron

Pengurangan nombor pengoksidaan bagi unsur bahan tindak balas

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mg + CuO - > MgO +Cu

Bahan yang manakah dalam persamaan berikut mengalami penurunan?

Mg

CuO

MgO

Cu

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mg + CuO - - > MgO + Cu

Yang manakah merupakan agen pengoksidaan?

Mg

CuO

MgO

Cu

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2Na + Cl2 - - > 2NaCl

Bahan yang manakah mengalami pengoksidaan?

Na

Cl2

NaCl

Semua diatas

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapakah nombor pengoksidaan bagi karbon dalam sebatian berikut?


CaCO3

-6

-4

+4

+6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapakah nombor pengoksidaan bagi hidrogen dalam sebatian Kalium hidrida (KH)?

+1

0

-1

1

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