Mengira Nombor Pengoksidaan

Mengira Nombor Pengoksidaan

7th - 11th Grade

10 Qs

quiz-placeholder

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Mengira Nombor Pengoksidaan

Mengira Nombor Pengoksidaan

Assessment

Quiz

Chemistry

7th - 11th Grade

Practice Problem

Hard

Created by

Su Ling Thung

Used 18+ times

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10 questions

Show all answers

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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