Oxidation and Reduction
Authored by Ethel Chng
Chemistry
10th Grade
NGSS covered
Used 254+ times
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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
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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