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Oxidation Reduction Redox

Authored by Lisa Thompson

Science

11th Grade

NGSS covered

Oxidation Reduction Redox
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents oxidation?

C → CH4

Fe3+ → Fe2+

Cl2 → 2Cl-

Zn → ZnO

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Another name for a "oxidation-reduction" reaction is

chemical reaction

neutralization reaction

redox reaction

nuclear reaction

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a redox reaction, the species reduced

gains electrons and is the oxidizing agent

loses electrons and is the oxidizing agent

loses electrons and is the reducing agent

gains electrons and is the reducing agent

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the reaction
2Ca(s) + O2(g) --> 2CaO(s), calcium is __________

Reduced

Synthesized

Oxidized

None of the above

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Substance that oxidizes another substance by accepting its electrons.

reducing agent

oxidation number

combustion

oxidizing agent

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the reaction Zn + H2O --> ZnO2 + H2
 which element, if any, is oxidized? 

Zinc

Hydrogen

Oxygen

None

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What substance is oxidized in the following reaction?
4Fe + 3O2 --> 2Fe2O3

Iron

Fluorine

Oxygen

Tags

NGSS.MS-PS1-1

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