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1.
They are not sonorous and are poor conductors of heat and electricity. These materials are
2.
A substance which cannot be broken down further by chemical reactions, by cooling, heating, or by electrolysis, is called ______
3.
Since metals produce ringing sounds, they are said to be ____.
4.
Phosphorus is stored in
5.
Sodium metal is stored in
6.
When sulphur dioxide is dissolved in water __________ is formed.
7.
When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The green material is a mixture of
8.
The metal found in liquid state is
9.
The property of metal by which it can be drawn into wires is called ______
10.
The property of metals by which they can be beaten into thin sheets is called ____