Question

Ch:4 Materials: Metals and non metals Draw the mind map for the uses of metals and non metals.

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Answer 1

Answer:

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Answer 2

Uses of metal-

1)Shiny metals such as copper, silver, and gold are often used for decorative arts, jewelry, and coins.

2)Strong metals such as iron and metal alloys such as stainless steel are used to build structures, ships, and vehicles including cars, trains, and trucks.

3)Some metals have specific qualities that dictate their use. For example, copper is a good choice for wiring because it is particularly good at conducting electricity. Tungsten is used for the filaments of light bulbs because it glows white-hot without melting.

Uses of Non metal-

1)Oxygen, a gas, is absolutely essential to human life. Not only do we breathe it and use it for medical purposes, but we also use it as an important element in combustion.

2)Sulfur is valued for its medical properties and as an important ingredient in many chemical solutions. Sulfuric acid is an important tool for industry, used in batteries and manufacturing.

Chlorine is a powerful disinfectant. It is used to purify water for drinking and fill swimming pools.

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