Oxidising Agents and Reducing Agents

Quiz
•
Chemistry
•
12th Grade
•
Hard
Standards-aligned
Used 303+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statement is true of a reducing agent?
It is oxidised as it gains electrons.
It is oxidised as it loses electrons.
It is reduced as it gains electrons.
It is reduced as it loses electrons.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the substance that loses hydrogen in a redox reaction?
oxidizing agent
reducing agent
is reduced
decreases in oxidation number
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the substance that loses oxygen in a redox reaction?
oxidizing agent
reducing agent
is oxidized
increases in oxidation number
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When a gas changes iron(III) oxide to iron(II) oxide, the gas is
a combustible gas
a reducing agent
an inert gas
an oxidising agent
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the colour change of acidified KMnO4(aq) solution as a test for reducing agents?
From green to orange
From orange to green
From purple to colourless
From colourless to purple
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In a redox reaction, spectator ions...
become oxidised
become reduced
remain unchanged
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which gas is the strongest reducing agent?
Br-
Cl-
F-
I-
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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