Aluminium is a reactive metal but is still used for packing food articles. Why ?

Give reason for the following : (i) Aluminium is a reactive metal but is still used for packing food articles. (ii) Calcium starts floating when water is added to it.

Aluminium is a type of metal that is used to make

Give reason for the following: Aluminium is a reactive metal but does not corrode easily.

Name metal whose foils are used for the packing of food materials.

Give reason: Aluminium is a highly reactive metal, yet it is used to make utensils for cooking