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..
  Salt (Sodium Chloride) is fully soluble in water but is slightly soluble in ethanol. The structure of ethanol is slightly non-polar at one end and polar at the other. th â¦ e polar group is the (-OH) group. The (-OH) group helps ethanol's property as a solvent for polar substances such as salts.