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WorksheetsELEKTROLISIS F4
Total questions: 11
Worksheet time: 19mins
Name
Class
Date
1.
What is the name of a positively charged ion?
a)
positron
b)
proton
c)
cation
d)
anion
2.
What is the name of a negatively charged ion?
a)
negatron
b)
electron
c)
cation
d)
anion
3.
What is the name of a negatively charged electrode?
a)
cathode
b)
anode
c)
cation
d)
anion
4.
What is the name of a positively charged electrode?
a)
cathode
b)
anode
c)
cation
d)
anion
5.
What state must the ionic compound be in to be electrolysed?
a)
aqueous only
b)
solid only
c)
solid or aqueous only
d)
molten or aqueous only
6.
What particle carries the charge in the electrolyte?
a)
electron
b)
proton
c)
ion
d)
atom
7.
Which non-metal is often used for electrodes?
a)
carbon
b)
copper
c)
zinc
d)
silicon dioxide
8.
In an aqueous solution of copper chloride, which ions are attracted to the negative electrode?
a)
Cu2+ and Cl- and H+ and OH-
b)
Cu2+ and H+
c)
Cl- and OH-
d)
Cu2+
9.
Which electrode is inert electrode.
a)
Copper
b)
Iron
c)
Carbon
d)
Zinc
10.
What are the ions present in molten Al2O3?
a)
Al2+ and O3-
b)
Al2- and O3+
c)
Al3+ and O2-
d)
Al3- and O2+
11.
In an aqueous solution of copper chloride, which ions are present?
a)
Cu2+ and Cl- and H+ and OH-
b)
Cu2+ and H+
c)
Cl- and OH-
d)
Cu2+
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