Which metal's ore are Cryolite and Chalcosite? State one use of those metals.

Write two used of bell metal.

Which metal is used in Bronze and bell metal?

Which one is lightest and which one is heaviest of all the metals?

The oxidation state of alkali metals is

Which alkaline earth metal hydroxide and alkali metal carbonate are used for softening of hard water?

State whether True or False:- Oxygen can combine directly with most of the metals and non-metals.

Which one is not an alkali metal.

Compare the solubility and thermal stability of the given compounds of the alkali metals with those of the alkaline earth metals. Carbonates.

Compare the solubility and thermal stability of the given compounds of the alkali metals with those of the alkaline earth metals. Sulphates.