Dictionary,Defintion,Meaning,What is Polyatomic, potassium-bifluoride, Polycrystalline, Polyene, Polymorphism, Positron, Positron emission

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Your Ad Here	Polyatomic Pertaining to a molecule (or ion or radical) which consists of several atoms (three or more). E.g., benzene (C₆H₆) and methane (CH₄). Polycrystalline Describing a substance composed of very many minute interlocking crystals that have solidified together. Polyene An alkene with more than two double bonds in it molecules
Polymorphism Refers to the ability of certain chemical substances to exist in more than one physical form. For elements, this is called allotropy. The existence of two forms is termed as dimorphism. Positron It is a sub atomic particle with mass as equal to that of an electron and carries a unit positive charge. Positrons are produced during some decay processes and during pair production Positron emission a-Beta decay process in which a nucleus ejects a positron and a neutrino.
Postassium hydrogen tartrate (C₄O₆H₅K) A white crystalline powder obtained from argol, used in baking powder. Potash Any of a number of potassium compounds, such as the carbonate or the hydroxide. Potassium A chemical element, symbol K, atomic number 19, atomic weight 39.102; n alkali metal. Also known as kalium.	Your Ad Here
Potassium arsenite KH(AsO₂)², poisonous, hygroscopic, white powder; soluble in alcohol; decomposes slowly in air; used in medicine, on mirrors, and as an analytical reagent. Also known as potassium metarsenite. Potassium bicarbonate KHCO₃, a white powder or granules, or transparent colourless crystals; used in baking powder and in medicine as an antacid. Also known a potassium acid carbonate. Potassium bifluoride KHF₂, colourless, corrosive, poisonous crystals; soluble in water and dilute alcohol; used to etch glass and a metallurgy flux. Also known as Fremy’s salt; potassium acid fluoride.
Your Ad Here	Potassium binoxalate KHC₂O₄.H₂O, a poisonous, white, odourless, crystalline compounds; used to clean wood and remove ink stains, as a mordant in dyeing, and in photography. Also known as potassium acid oxalate; salacetosella; salt of sorrel. Potassium bismuth tartrate A white, granular powder with a sweet taste; soluble in water; used in medicine. Also known as bismuth potassium tartrate. Potassium bisulphate KHSO₄, water-soluble, colorless crystals, melting at 2140C; used in wine making, fertilizer manufacture, and as a flux and food preservative. Also known as bismuth potassium tartrate.

Potassium bisulphite

KHSO₃, white, water-soluble powder with sulfur dioxide aroma; insoluble in alcohol; decomposes when heated; used as an antiseptic and reducing chemical, and in analytical chemistry, tanning and bleaching. Also known as potassium acid sulphite.

Potassium bitartrate

KHC₄H₄O₆, white, water-soluble crystals or powder; used in baking powder, for medicine, and as an acid and buffer in foods. Also known as cream of tartar. potassium acid tartrate.

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