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IB Chemistry

Authored by Lisa Thompson

Science

11th Grade

NGSS covered

IB Chemistry
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What substance is oxidized in the following reaction?
4Fe + 3O2 --> 2Fe2O3

Iron

Fluorine

Oxygen

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following half reactions correctly represents a reduction half reaction?

Fe →Fe2+ + 2e-

Pb4+ + 2e- →Pb2+

2O-2 →O2 + 4e-

Fe + 3e- →Fe3+

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An oxidizing agent is the substance that is

oxidized

reduced

not changed

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A reducing agent is the substance that is

oxidized

reduced

not changed

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How is an oxidation state written?

sign given before the number (+2)

sign given after the number (2+)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The activity series ranks metals according to the ease with which they undergo

oxidation

reduction

neutralization

combustion

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A more reactive metal is able to

oxidize the ions of a less reactive metal

reduce the ions of a less reactive metal

Tags

NGSS.HS-PS1-1

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