Why aluminium is used for making cooking utensils ?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point

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(i) and (ii)

(i) and (iii)

(ii) and (iii)

(i) and (iv)

answer is D.

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Detailed Solution

Aluminum 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 (an alloy of iron), 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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