1. atoms
are the smallest units of matter.
2.The flow of electrons from the negative terminal of a source to the positive terminal in a closed circuit is
called
3.
Fill in the blanks:
4.
5.
are materials that permit electrons to flow freely from particle to particle.
is the process of coating a metal with a thin layer of another metal by electrolysis.
are examples of the electrolytes.
and
II. True or false:
1. Gold and steel are the example of conductor.
2. Electrodes are commonly made of metals such as platinum and zinc.
3. Electroplating is the process by which water is decomposed into oxygen and hydrogen gas.
4. Electrical conductivity involves a flow of current of free neutrons through a solid body.
5. Pure form of water is a good conductor or electricity.
III. Answer the following:
1. Define electroplating. Write one use of electroplating.
The
process
of depositing a layer of any desired metal
on another meterual Joy means of electricity is called
electroplating
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2. Write a short note on electrical testers.
It is a
a
conductor of electricity that is we to test not.
electricity
writher it conductors.