ChemistryPotassium Hydroxide – a Chemical Compound Potassium hydroxide is a chemical compound. Its chemical formula is KOH. It contains potassium and hydroxide ions. It is an inorganic compound and is commonly called caustic potash.…
ChemistryLithium Hydroxide Lithium Hydroxide is a chemical compound. Its chemical formula is LiOH. It is a white hygroscopic crystalline material. It contains lithium and hydroxide ions. It used in gas-purification systems…
OtherHow to Write Sorry Letter? Accepting your own mistake is a difficult thing and apologizing for the same is furthermore difficult. A sincere sorry letter comes right out and says…
ChemistrySodium Hydroxide – a Chemical Compound Sodium hydroxide is an alkali which is also known as caustic soda. Caustic means “burning” and caustic soda takes its name from the way it…
GeographyStone Balls Of Costa Rica Stone Balls (or the stone spheres) of Costa Rica are an assortment of over three hundred petrospheres in Costa Rica, located on the Diquís Delta…
ChemistryCalcium Hydroxide Calcium hydroxide, also known as slaked lime, is a chemical compound with the formula Ca(OH)2. It dissolves slightly in water. It can be dehydrated (remove the water) to…
ChemistryAvogadro Constant The Avogadro constant (symbols: L, NA) is the number of particles (usually atoms or molecules) in one mole of a given substance. Its value is equal to 6.02214129(27)×1023 mol−1. It is the number of units in one mole…
GeographyCarnac Stones The Carnac Stones (Breton: Steudadoù Karnag) are an exceptionally dense collection of megalithic sites in Brittany in northwestern France, consisting of stone alignments (rows), dolmens…
HistoryPyramids A pyramid (from Greek: πυραμίς pyramís) is one of the most amazing and riveting structures of both ancient and modern history. It was a really…
ChemistryRelative Atomic Mass A relative atomic mass (symbol: Ar) is a measure of how heavy atoms are. It is the ratio of the average mass of one atom…
Geographic MineralsMagnesioferrite: Properties and Occurrences Magnesioferrite is a magnesium iron oxide mineral, a member of the magnetite series of spinels. It is the mineral magnesium iron oxide, a member of…
HistoryCurse Of Mummy The “Mummy’s Curse” first enjoyed worldwide acclaim after the 1922 discovery of King Tutankhamun’s tomb in the Valley of the Kings near Luxor, Egypt. Archeologist…