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Worksheets1. Electrochemical Action
Total questions: 27
Worksheet time: 22mins
A battery consists of two or more (a) cells.
What kind of cell can be recharged?
(a)
What kind of cell cannot be recharged?
(a)
The best kind of battery depends on the kind of _____ service and on the _____ of use.
(a)
An electrical cell consists of two ____ and an ____ .
(a)
What is the general name for a material containing only one kind of atom?
(a)
What is the general name for a material containing two or more kinds of atoms?
(a)
The (a) number of an element equals the number of protons in the nucleus of the atom.
Tiny bubbles of hydrogen gas can collect on one electrode of a cell, causing a condition called (a) .
Forcing electricity to run backward in a cell is a process called (a) .
How many electrodes are required in electroplating?
(a)
The last step in purifying copper and other metals is often a process called ___ ___.
(a)
What is the effect of joining pipes made of different metals in the presence of an electolyte?
(a)
A solution that conducts electricity and reacts chemically with the material on one electrode is called an (a) .
What is the best operating temperature of most industrial batteries?
___ to ___ degrees F
(a)
Specific gravity is the ____ of a material compared to the _____ of water. (same word)
(a)
The reliability of batteries depends on proper (a) .
The storage battery in an automobile is made of
disposable cells
primary cells
secondary cells
electrolytic cells
An electrode does NOT have the shape of a
bar
strip
plate
circle
A material made of only one kind of atom is called a(n)
compound
depolarizer
element
polarizer
How many stable elements are there that make up all matter?
11
92
103
107
When tiny bubbles of hydrogen gas collect on an electrode and slow down the chemical reaction, the condition is called
polarization
depolarization
electrolysis
slectroplating
Electrolysis in NOT used in
electroplating
electrolytic refining
separating metals from raw materials
separating water from metal
In electrolytic refining, the impute metal serves as the
anode
cathode
electrolyte
base
What is the ideal operating temperature of an industrial battery?
20-40 F
40-60 F
60-80 F
80-100 F
You can add any of the following to the cells of a storage battery, except
tap water
distilled water
purified water
sulfuric acid
The density of a material compared to the density of water is called
weight
specific volume
mass
specific gravity
