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..
Table salt is an ionic compound . Its molecule is made of positive sodium ions (Na+) and negative (Cl-) ions. The polarity of water molecules enables water to dissolve many ionically bonded substances. The positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions.