In which of the following is potassium stored?

If the atomic number of an element is $37$,then the block and group of that element will be respectively ...

Which of the following ions forms a highly soluble hydroxide in water?

When a concentrated solution of ammonia is saturated with sodium chloride in the presence of pieces of dry ice,a white cloud forms. This is due to the

In the case of alkali metals,the covalent character decreases in the order

$A$ metallic oxide reacts with water to form its hydroxide,hydrogen peroxide,and also liberates oxygen. The metallic oxide could be