Formaldehyde is a colorless, flammable, strong-smelling chemical that is used in building materials and to produce many household products.ormaldehyde is a colorless, flammable, strong-smelling chemical that is used in building materials and to produce many household products.
Actually most of the salts are insoluble in water. Not all the salts include chloride!!! And of those witch contain chloride, silver, led and mercury salts are insoluble!!! chemically speaking, not all salts are soluble in a particular solvent under normal conditions..
Ionic compounds are soluble in water because it a very polar compound. Ionic compounds are also very polar and thus very soluble. The water solvates each ion in the ionic compâ¦ound. The negative ion of the ionic compound will be surrounded by water molecules with the hydrogen atoms closest.