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H.W1-OXIDATION NUMBER

Authored by Soha Nafaa

Chemistry

10th Grade

Used 11+ times

H.W1-OXIDATION NUMBER
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Oxidation number of Fe in Fe2+ ion:

0

-2

+2

+3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which element has the same oxidation number in all of its compounds?

oxygen

fluorine

hydrogen

chlorine

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Oxidation number of S in S8

0

+2

-4

+6

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Element that only has a stable oxidation number of +1:

Na

Cl

Ca

Al

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the oxidation number of an atom of nitrogen in the compound N2?

0

+3

-3

-6

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the oxidation number of phosphorus in H3PO4?

+1

+4

+5

+8

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the oxidation number of Fe in FeO?

+1

-1

+2

-2

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