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Oxidation and Reduction

Authored by Ethel Chng

Chemistry

10th Grade

NGSS covered

Used 252+ times

Oxidation and Reduction
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Oxidation involves

gaining electrons; gaining oxygen

losing electrons; losing oxygen

gaining electrons; losing oxygen

losing electrons; gaining oxygen

Tags

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Reduction involves 

gaining electrons; gaining oxygen
losing electrons; losing oxygen
gaining electrons, losing oxygen
losing electrons; gaining oxygen

Tags

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify the substance that is oxidised in the reaction between carbon and zinc oxide.

C + 2ZnO → CO2 + 2Zn

C

ZnO

CO2

Zn

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify the substance that is reduced in the reaction between hydrogen and iron(II) oxide.

H2 + FeO → H2O + Fe

H2

FeO

H2O

Fe

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify the substance that is oxidised in the reaction between aluminium and chromium(III) ion.

Al + Cr3+ → Al3+ + Cr

Al

Cr3+

Al3+

Cr

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify the substance that is reduced in the reaction between copper(II) ion and magnesium.

Cu2+ + Mg → Cu + Mg2+

Cu2+

Mg

Cu

Mg2+

Tags

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify the oxidising agent in the reaction between copper(II) oxide and hydrogen.

CuO + H2 → Cu + H2O

CuO

H2

Cu

H2O

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

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