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MetalsTRANSCRIPT
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Submitted by,
Aiswarya J S
Reg.no:13971001
Physical Science
WELCOME
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Metals have an important role in our daily life. The discovery of metal is said to be the most important milestone in the history of human civilization. We cannot live without machines now. All machines are made up of metals. Machines reduce the work of man. Many modern facilities would not have been possible without metals. Most metals occur as their compounds in nature.
METALS
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Some of the important metals that we use in our daily life .....
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Iron (Fe)
Window bars
Work implements
Nails
Parts of machines
For manufacturing alloys such
as carbon , steel, stainless steel
Concrete bars
Fine rods/Wires
Box
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Aluminium (Al)Utensils
Conductor wires
Furniture
For manufacturing alloys
such as Duralumin,
Magnallium etc.
Antennas
Roofs
As a component in crackers
Ornaments
Packing foils
Reflectors
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Gold (Au)Ornaments
For gold
plating(Electroplating)
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Silver (Ag)Ornaments
Electronic circuits
For electroplating
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Copper (Cu)Utensils
Electronic circuits
For manufacturing alloys
such as brass, zinc
For making roofs
Conductors
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Zinc (Zn)Dry cell
To make a coating for
preventing corrosion of
iron(galvanizing)
Making alloys such as
brass, gunmetal etc.
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Chromium (Cr)To make a coating for
preventing corrosion of iron
For manufacturing alloys
such as stainless steel,
chrome steel etc.
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Nickel (Ni)For manufacturing alloys
such as stainless steel,
alnico etc.
For nickel plating
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Tin (Sn)To make the coating for the
prevention of corrosion of
iron (tin sheet)
For making alloys like solder
For tin plating
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Lead (Pb)For making storage cells
For the manufacture of
metal balls used in fishing
nets
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THANK YOU