Redox Reactions

Redox Reactions

9th - 12th Grade

38 Qs

quiz-placeholder

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Redox Reactions

Redox Reactions

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

Created by

Alex Ness

Used 3+ times

FREE Resource

38 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sum of the oxidation numbers in SCN- is equivalent to

0

-1

+1

+3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sum of the oxidation numbers in Na2CO3 is equivalent to

0

-2

+1

-1

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following represents oxidation?

C → CH4

Fe3+ → Fe2+

Cl2 → 2Cl-

Zn → ZnO

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following represents reduction?
C →  CO
N2 →  NH3
Zn  →   Zn2+ 
H2 →  H2O

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In the reaction Zn + 2HCl --> ZnCl2 + H2

which element, if any, is oxidized?

Zinc

Hydrogen

Chlorine

None

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In the reaction
2Ca(s) + O2(g) --> 2CaO(s), calcium is __________
Reduced
Synthesized
Oxidized
None of the above

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which statement is true:
Mg → Mg2+ + 2e
Mg gains 2 electrons
Mg2+ loses 2 electrons
Mg loses 1 electron
Mg loses 2 electrons

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