Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same? (i) Good thermal conductivity (ii) Good electrical conductivity (iii) Ductility (iv) High melting point (a) (i) and (ii) (b) (i) and (iii) (c) (ii) and (iii) (d) (i) and (iv)

Answer: (d) (i) and (iv)

  • Aluminium is ductile and has a high electrical conductivity, which makes it unsuitable for utensil production.
  • Aluminium has a high melting point and good heat conductivity.
  • Copper, steel, and aluminium are the most popular metals used to make utensils.
  • Due to their ability to conduct heat, copper and aluminium are the most used materials.

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