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- Aluminum is used for making cooking utensils. Which of the following properties of aluminum are responsible for the same? (i) Good thermal conductivity <p dir="
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Aluminum is used for making cooking utensils. Which of the following properties of aluminum are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(i) and (iv)
Answers (1)
Aluminium is a highly reactive metal and hence it easily reacts with the oxygen in air. This reaction results in the formation of a layer of aluminium oxide over the metal. The layer of aluminium oxide prevents further reaction of aluminium with oxygen. This makes aluminium a corrosion-resistant material. Moreover, aluminium is a good conductor of heat. Due to these reasons, aluminium is used to make cooking utensils.
Therefore, Option(4) is correct
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