NEW
Font size
S
M
L
XL
WorksheetsRedox reactions
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
Defined as the loss of electrons.
a)
oxidation
b)
reduction
c)
redox
d)
OIL RIG
2.
Defined as the gain of electrons.
a)
oxidation
b)
redox
c)
reduction
d)
LEO GER
3.
Another name for a "oxidation-reduction" reaction is
a)
chemical reaction
b)
neutralization reaction
c)
redox reaction
d)
nuclear reaction
4.
If an atom loses electrons during a chemical reaction, the atom was:
a)
Oxidized
b)
Reduced
c)
Neutralized
d)
Precipitated
5.
Cl2 + 2e- --> 2Cl - is an example of:
a)
a chemical reaction
b)
redox
c)
oxidation
d)
reduction
6.
If in a reaction, copper is reduced; its number of electrons has:
a)
Increased
b)
Decreased
c)
Remained Constant
d)
Varies Randomly
7.
What is a half-reaction of this equation, Na + Cl --> NaCl ?
a)
Cl + e- --> Cl-
b)
Cl - e- --> Cl-
c)
Na --> Na + e-
d)
Na° + Cl°--> Na+1Cl-1
8.
Is calcium oxidized or reduced in the following reaction?
2CaO--> 2Ca + O2
2CaO--> 2Ca + O2
a)
Oxidized
b)
Reduced
9.
What substance is oxidized in the following reaction?
4Fe + 3O2 --> 2Fe2O3
4Fe + 3O2 --> 2Fe2O3
a)
Iron
b)
Fluorine
c)
Oxygen
10.
Which one of the following conversions is an example of reduction?
a)
Copper (II) oxide to copper (II) sulfate
b)
Copper (II) oxide to copper
c)
Hydrochloric acid to chlorine
d)
Lead (II) nitrate to lead (II) chloride
Reset
