Solvay Process
Solvay Process is a process of producing soda from salt. It involves introducing carbon dioxide into the brine, which leads to the formation of sodium bicarbonate. This substance is subsequently heated …
Acids, Bases & Salts
Olfactory Indicators
Olfactory Indicators are substances with a characteristic odour in a given acidic or basic medium. These indicators are often used in laboratories to check whether a given solution is a …
Thymolphthalein
Thymolphthalein is an acid-base indicator. It changes colour based on the substance it is added to and indicates whether it is an acid or base. Usage as an Indicator When …
Phenolphthalein
Phenolphthalein also abbreviated as phph is an organic compound used in acid-base titration as an indicator. This is because of the variation in colours with respect to the change in …
Methyl Orange
Methyl Orange, also abbreviated as MeO, is an azo dye used as a pH indicator in titration. This is because, at different pH values, it gives clear and distinct colour …
Sodium Sulfate
Sodium sulfate (Na2SO4) is a highly water soluble white powder like chemical substance. There are also many other forms of sodium sulfate which vary in their water of crystallization. The chemical formula …
Amphoteric Oxides
The term “Amphoteric” is derived from the Greek word amphoteroi (ἀμφότεροι), which means “both”. Amphoteric oxides are oxides of elements (usually metals) that show amphoteric behaviour. Amphoterism or amphoteric behaviour …
Chromic Acid
Chromic Acid is the mixture of concentrated sulfuric acid and a dichromate ion, which may contain a variety of compounds. It is also known as Tetraoxochromic acid or Chromic(VI) acid. …
Hydrosulfuric Acid
Hydrosulfuric acid, also known as hydrogen sulfide or sulfane is a chemical compound. Its chemical formula is H2S. It exists in the form of a colourless gas and has a …