Chemistry

About Potassium Definition Potassium is a soft, highly reactive, silvery-white metallic element of the alkali group occurring in nature only in compounds. It is essential…

Potassium Hydroxide Defnition Potassium hydroxide is a noncombustible, hydrophilic substance and therefore is highly corrosive to metal and tissue. It readily absorbs moisture from the…

Calcium Chloride Definition Calcium chloride is a white crystalline salt that attracts water very strongly. It is used in refrigeration and is spread on roads…

Hygroscopy Definition Hygroscopy: It is relating to a compound that easily absorbs moisture from the atmosphere. When water vapor is absorbed the water molecules are…

Polycarbonate Definition Polycarbonate is a synthetic thermoplastic resin, a linear polymer of carbonic acid, used for molded products, films, and nonbreakable windows. The main advantage…

Polylactic Acid Definition Polylactic acid (PLA) is biodegradable and has characteristics similar to polypropylene (PP), polyethylene (PE), or polystyrene (PS). It is a type of…

Thermoplastic Definition Thermoplastic: it is relating to a compound that can be repeatedly made soft and hard through heating and cooling. Polyethylene and polystyrene are…

Polypropylene Definition Polypropylene is any of various thermoplastic resins that are polymers consisting of repeated branched units derived from propane and having the formula CH2CH(CH3),…

Polyvinyl Chloride Definition Polyvinyl chloride is a synthetic resin, composed of repeating units of vinyl chloride (C2H3Cl). Polyvinyl chloride is very versatile and is used…

Polyethylene Glycol Definition Polyethylene glycol (PEG) is any of a family of polymers that are either colorless liquids or waxy solids and are soluble in…

Ethylene Glycol Definition Ethylene glycol is a poisonous, syrupy, colorless alcohol used as antifreeze in heating and cooling systems that use water. It is also…

Formic Acid Definition Formic acid is a colorless, caustic, fuming liquid that occurs naturally as the poison of ants and stinging nettles. Its Chemical formula:…