Dictionary, Defintion, Meaning, What is Azimuthal Quantum Number, Babbit Metal, Azines, Azoic dye, Azurite, Babo's law, Back Titration, Bacteriocidal, Baddeleyite

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Home >> Chemistry Dictionary >>Azimuthal Quantum Number - Babbit Metal

Your Ad Here	Azimuthal quantum number. The quantum number that defines the shape of the orbital of an electron; it also defines that sub-shells. Its symbol is 1.An s- orbital has 1 = 0; ap-orbital has 1 = 1; a d – orbital has 1 = 2. Azines. Compounds containing C = N – N = C groups prepared from C = O compounds and hydrazine. Also used for compounds containing multiple N₂ groups and azine dyes. Azoic dye. Water insoluble azo dyes also known as ice-colours and ingrain colours. In use they are formed within the fibre.
Azulene (C₁₀H₉) A blue violet crytraline solid with a naphthalene like small m.p.99°C. Azurite. Co₃(OH)₂(Co₃)₂ Blue basic carbonate of copper. An artificial form is known as Blue Verditer of Blue Ashes and is used as an artist’s colour.
B Boron Ba Barium Babbit metal. It is used for making bearings. They consists of tin containing antimony (about 10%) and copper (1-2%), and often lead. A type of alloys with high proportion of tin and small amount of copper and antimony. Baking powders. Substitutes for yeast used in baking depending for their action on the slow evolution of CO₂. They consist of various acid substances (potassium hydrogen tartrate, calcium hydrogen phosphate, sodium hydrogen phosphates) with NaHCO₃ or NH₄HCO₃ together with added inert materials such as flour or starch.	Your Ad Here
Babo’s law. The vapour pressure of a liquid is decreased when a solute is added, the amount of the decrease being proportional to the amount of solute dissolved. Back titration. A method of volumetric analysis where excess of one reagent which reacts with the substance to be determined is added to the solution to be estimated and the excess of reagent is estimated.
Your Ad Here	Bacteriocidal. Capable of killing bacteria. Common bacteriocides include some antibiotics antiseptics and disinfectants. Baddeleyite. A kind of ZrO₂ and a main mineral source of Zr. Bag filter. A type of air filter. Bakelite. A trade name of Phenol-formaldehyde (phenol-methanal) plastics and resins; a very widely used range of plastic materials.

Balance.
An apparatus used for weighing. Sensitive balance operate on a lever principle, less sensitive balances can used springs. The most sensitive balances-electrobalances-carbon weigh to a sensitivity of 0.1mg.

Ball Mill.
A big barrel containing iron balls moves to crush the ore to a powder.

Balmer series.
The visible spectrum of hydrogen of a series of sharp distinct lines, the wave length λ of which may be represented by the formula:
1/λ = R

. n = 3, 4, 5 etc.: R = Rydbrog’s constant. It is named after J.J.Balmer.

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Dictionary of Chemistry - Part 3 Part 4 Atomic Radius - Aufbau Principle Auger Effect - Azeotropic Mixtures Azimuthal Quantum Number - Babbit Metal Band Spectrum - Barometer Base Catalysed Reation - Backmann Thermometer Beneficiation (Ore Dressing) - Benzamide Benzidine Conversion - Benzoin Beryllate - Beta decay Bio Geneic Amines - Birkland Eyde Process Bitumen Emulsions - Blue Print Paper Bomb Calorimeter - Bordeaux Mixture Born Haber Cycle - Bornyl and Isobornyl Chlorides Boron Hydrides - Bredt's Rule Bromobenzens - Brown Ring Test Buchner Funel - Butanedioic Acid Cadmium Chemistry - Calcination Calcium Chloride - Calcium Phosphates Calorimeter - Carbanion Carbon Dating - Carbon Residue Carmine - Castner Kellner Cell