Redox

Redox

10th Grade - University

21 Qs

quiz-placeholder

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Redox

Redox

Assessment

Quiz

Chemistry

10th Grade - University

Medium

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

Standards-aligned

Created by

Cindy Faulk

Used 158+ times

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21 questions

Show all answers

1.

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-PS1-2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the oxidation number of Fe in FeO?

+1
-1
+2
-2

Tags

NGSS.HS-PS1-2

3.

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

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of P in K3PO4?

+1
+5
-2
0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of O in O2 ?

0
-2
+1
+2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following elements does NOT have an oxidation number of +2?

Ca
Sr
K
Ba

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What element always has an oxidation number of -1?

Hydrogen
Fluorine
Chlorine
Iodine

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