The second section presents the views andassumptions of realism in conducting research in social science. The main realistic attacks onlogical positivism approach are presented in the third section and the conclusion is given in thefourth section.
Water is considered 'the' universal solvent because more materials are dissolved by it than by any other solvent but it will not dissolve non-polar substances like oil.
This attraction is known as hydrogen bonding. Due to this polarity, water is a good solvent for polar/ionic solutes (hydrophilic) .When an ionic or polar compound enters water, it is surrounded by water molecules (Hydration). The relatively small size of water molecules typically allows many water molecules to surround one molecule of solute.