HW 6.9 Oxidation/reduction reactions

HW 6.9 Oxidation/reduction reactions

9th - 12th Grade

10 Qs

quiz-placeholder

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HW 6.9 Oxidation/reduction reactions

HW 6.9 Oxidation/reduction reactions

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

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

Standards-aligned

Used 9+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidation is....

Gain of electrons

Loss of electrons

Both the loss and gain of electrons

None of these

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reduction is....

Gain of electrons

Loss of electrons

Both the loss and gain of electrons

None of these

Tags

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

During an oxidation-reduction reaction, the number of electrons gained is

equal to the number of electrons lost

equal to the number of protons gained

less than the number of electrons lost

less than the number of protons gained

Tags

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The oxidation number of nitrogen in N2 is

+1

0

+3

-3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The oxidation numbers of all the atoms in H2SO4 must add up to

0

+5

+9

+16

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of H in H2O?
0
-2
-1
+1

Tags

NGSS.HS-PS1-1

7.

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

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