a) Why iron metal is used in the construction of bridges, buildings etc?
b) Give the name of a metal that starts melting by the heat of our body when kept on the palm?
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Answer:
a) Because the tensile strength of Iron is far greater than any other material which can be used as a Building material. ... Its tensile strength is more than Iron. So it is also used as a building material.
Explanation:
b) The element gallium is an unexpected metal—it's a soft, silvery-white metal that is solid at room temperature (similar to aluminum) but it can literally melt in the palm of your hand.
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- a) as iron is strong
- b) gallium
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