The products obtained during treatment of hard water using Clark's method are :

Statement I : An alloy of lithium and magnesium is used to make aircraft plates.

Statement II : The magnesium ions are important for cell-membrane integrity.

In the light the above statements, choose the correct answer from the options given below :

White phosphorus reacts with thionyl chloride to give :

Concentrated $$\mathrm{HNO}_{3}$$ reacts with Iodine to give :