State whether aluminium or iron is preferred for making cans for drinks and explain why.Iron - because it is a better conductor than aluminiumIron - because it has a higher melting point than aluminiumAluminium - because it is weaker than ironAluminium - because it corrodes less easily than iron

Aluminium is preferred for making cans for drinks. This is because aluminium corrodes less easily than iron. Corrosion is a natural process that gradually destroys the material over time. In the case of iron, it can rust when exposed to moisture, which is not ideal for drink cans. On the other hand, aluminium forms a protective oxide layer when exposed to air, which prevents further corrosion. This makes aluminium more durable and safe for storing drinks.

While it's true that iron is a better conductor and has a higher melting point than aluminium, these properties are not particularly relevant for the purpose of making drink cans. The ability to conduct heat or withstand high temperatures doesn't really affect the performance of a drink can.

As for the strength of the material, while iron is stronger than aluminium, this is not necessarily an advantage for drink cans. Aluminium is already strong enough to hold the pressure of carbonated drinks without deforming, and its lighter weight makes it more cost-effective for transportation.

So, in conclusion, aluminium is preferred over iron for making drink cans due to its resistance to corrosion and its adequate strength-to-weight ratio.