Question

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 1

Answer:

• because it is very hard and prevents buildings form collapsing
• Mercury is the metal which melts in our plam because it has a very low melting point

Answer 2

Explanation:

a) because it has high meling point and it is the hardest metal and lasts for long time in nature so it is used in construction of buildings

b)Galium