Question

answer to all the questions

Answer 1

Sodium and potassium are stored in kerosene because they are highly reactive metal and it is done to prevent their reaction.

Ionic compound have high melting point since they have high intermolecular force of attraction and considerable amount of energy is required to break them.

metals are malleable and non metals are not malleable.

metals conduct electricity except lead

non metals don't conduct electricity except graphite

$hope \: it \: helps$