When sodium is heated with moist air,the product obtained is:

When sodium metal is dissolved in liquid ammonia,a blue-coloured solution is formed. The blue colour is due to:

When compared with alkaline earth metals, the alkali metals have

Which of the following statement$(s)$ is (are) correct?
$(i)$ $LiF$ is less soluble in water
$(ii)$ $NaCl$ is less ionic than $CsCl$
$(iii)$ Formation of alkali metal halide is an endothermic reaction

What are the metal ions present in carnallite?

In the presence of which of the following does magnesium continue to burn?