Redox

Redox

9th Grade - University

24 Qs

quiz-placeholder

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Redox

Redox

Assessment

Quiz

Chemistry

9th Grade - University

Medium

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

+1

Standards-aligned

Created by

Christal Lippincott

Used 189+ times

FREE Resource

24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of Cr in Cr2O72-?
-2
+2
+6
+12

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What element always has an oxidation number of -1?
Hydrogen
Fluorine
Chlorine
Iodine

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

     In the reaction Zn + H2O --> ZnO2 + H2
 which element, if any, is oxidized? 
Zinc
Hydrogen
Oxygen
None

Tags

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Another name for a "oxidation-reduction" reaction is
chemical reaction
neutralization reaction
redox reaction
nuclear reaction

5.

MULTIPLE CHOICE QUESTION

45 sec • 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-PS1-7

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

45 sec • 1 pt

Media Image
Which are examples of reduction?
I and II
I and III
II and III
I, II and III

Tags

NGSS.HS-PS1-2

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