Stainless steel is a very useful material in our daily life. In stainless steel,iron is mixed with:

Write the names and symbols of the constituents present in the following alloys:
$(a)$ Brass
$(b)$ Bronze
$(c)$ Solder

Why does a magnesium ribbon start floating when it is placed in hot water?

Give one most suitable word for the following statements.
$(a)$ Metal oxides which show basic as well as acidic behaviour.
$(b)$ Iodine,a non-metal is shining.

Which method/process is used to obtain pure alumina from bauxite?

What type of oxide is aluminium oxide $(Al_2O_3)$?