Question

Give reason why a suspension of rust is basic in nature?

And Also This

Give reason why galvanised steel is not used for articles used for edible application?

Plzz A Req!!

Answer 1

Rust is chemically Fe2O3. XH2O, where X are the number of water molecules. We know that metals generally form oxides that are basic in nature. Hence a suspension of rust in water will be basic. Therefore it will turn red litmus blue.In general metal oxides are basic in nature where as oxides of non-metals are acidic in nature.Metals react with acids to produce hydrogen gas that burns with a popsound.The elements which possess character of both metals and non metals are called metalloids.

Answer 2

Answer:

For 2 question

Galvanised stell is not used for food containers since food acids dissolve with zinc forming - poisonous compounds.