To protect broken bones, Plaster of Paris is used. It is :

To protect steel and iron from rusting, a thin layer of which one of the following metals is applied?

Which one of the following compounds is used to make fireproof clothing?

Which metal is generally used for coating of brass utensils to prevent copper contamination?

Galvanization is a method of protecting iron from rusting by coating with a thin layer of

Which one of the following is the correct reactivity series with water?