Question

Mention five uses of metals?​

Answer 1

Answer:

• To make cooking wares.
• In making electric appliances, electric wires, fridge etc.
• Sheets of aluminium and iron for buildings materials.
• In manufacturing jewellery from gold, silver, coins and from copper, aluminium etc.
• Shiny metals such as copper, silver, and gold are often used for decorative arts, jewelry, and coins.

Answer 2

Answer:

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Names of some metals :-

Gold, silver, iron, copper, aluminium, magnesium, calcium, sodium, platinum are a few metals. Metals have lustre (shine).

Metals like mercury and gallium are liquid state even at room temperature.

Uses of Noble Metals ( Gold, Silver Platinum, Palladium)

Gold - 1. Used to make ornaments.

2. Used to make medals.

3. Also used to make few electronic devices

Silver - 1. Used to make ornaments.

2. Used in medicines ( It has antibacterial properties)

3. Used to make medals.

4. Also used to make some electronic devices.

Platinum - Used as Catalyst.

Palladium - Used as Catalyst.

Copper - 1. Used to make medals (Bronze is formed from mixing copper and tin)

Iron with carbon, chromium and nickel makes Stainless steel.