Redox

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Redox

Redox

Assessment

Quiz

Chemistry

9th - 12th Grade

Practice Problem

Medium

NGSS
HS-PS1-2, HS-PS1-1, HS-PS1-7

Standards-aligned

Used 290+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is the balanced half -reaction for the oxidation of Cu to Cu+2?

Cu   --> Cu+2
Cu + 2 e-   --> Cu+2
Cu  --> Cu+2  + 2 e-
Cu - 2e-  --> Cu+2

Tags

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which substance is reduced in the following reaction? 
NaOH + Li --> LiOH + Na

Li
Na
O
H

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Another name for a "oxidation-reduction" reaction is

chemical reaction
neutralization reaction
redox reaction
nuclear reaction

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is calcium oxidized or reduced in the following reaction? 
2CaO--> 2Ca + O2

Oxidized
Reduced

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

5.

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the oxidation number of N in (NO2)-1?

-3
+4
-2
+3

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If an atom loses electrons during a chemical reaction, the atom was:

Oxidized
Reduced
Neutralized
Precipitated

Tags

NGSS.HS-PS1-2

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