Anhydrous $Na_2CO_3$ is also known as:

Which element from the following forms a chlorophyll complex?

Which one of the following alkali metals is the weakest reducing agent as per their $E^{\circ}$ values?

Liquid sodium finds use in nuclear reactors. Its function is

Why does lithium differ from other alkali metals?

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