When a litre of solution has one gram molecular weight of a substance dissolve in it, is called

Answer: Option D

A normal Solution is a solution in which one litre of a solution has one gram molecular weight of a substance dissolved in it.
A molar solution is an aqueous solution in which 1 mole of a solute is dissolved in 1 litre of a solution.
A molal solution that contains 1 mole of a solute in one KG of the solvent.