Question

three important uses of iron, aluminum, gold, copper, lead

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Answer 1

Answer:

three important uses of iron:-

1. It is used to manufacture steel and also used in civil engineering like reinforced concrete, girders etc.
2. Iron is used to make alloy steels like carbon steels with additives such as nickel, chromium, vanadium, tungsten, and manganese.
3. Alloys of Iron and tungsten – the addition of tungsten to iron makes it an alloy capable of maintaining hardness at high temperatures.

three important uses of aluminum:-

1. Aluminium is a silvery-white, lightweight metal. It is soft and malleable. Aluminium is used in a huge variety of products including cans, foils, kitchen utensils, window frames, beer kegs and aeroplane parts. This is because of its particular properties.
2. Aluminium is used in a huge variety of products including cans, foils, kitchen utensils, window frames, beer kegs and aeroplane parts.

uses of gold:-

1. used for decoration of jewellery.
2. Gold is considered as the best filling for cavities and crowns, bridges and other orthodontic appliances because the metal is ductile and can easily take shapes. ..
3. Medals and Statues: .

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Answer 2

Answer:

three important uses of iron, aluminium, gold, copper and lead are:

Explanation:

iron:

1. it is used to manufacture steel, when alloyed with other elements.

2. powdered iron is used in maufacturing metallurgical products and magnets.

3. iron blue is used in making paints, cosmetics, artist colours.

aluminium:

1. it is used for construction purposes.

2. precision tubing in motorvehicles, refrigerators etc.

3. power lines.

gold:

1. used in electronics and computers.

2. dentistry and medicine

3. medals and awards.

copper:

1. it is a good conductor of electricity so it is used in electrical wires and electronics.

2. it is used in defence and automobile industries.

3. it is alloyed with iron and nickel to make stainless steel.

lead:

1. lead is widely used for car batteries, cable sheathing etc.

2. it is used to store corrosive liquids.

3. its high density makes it useful as a shield against xrays and gamma radiations.

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