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Chemist preparing an acid-base titration to determine the concentration of an alkaline solution He is filling a glass pipette using a pi-pump to tran
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Illustration showing the nuclear composition of an atom of lithium-7 (atomic number 3) the most common isotope of the element lithium (Li) The nucl
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Illustration of the periodic table of elements as devised by Russian chemist Dmitri Mendeleev (1834-1907) The elements are arranged in order of atomi
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Geometric Shapes Salt Flat West Wendover Elko County Nevada USA by Arian Camilleri Design Pics
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Salt Flat West Wendover Elko County Nevada USA by Arian Camilleri Design Pics
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Illustration of the periodic table of elements The elements are arranged in order of atomic number Elements with similar properties are in colour-co
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Illustration of the periodic table of elements The elements are arranged in order of atomic number Elements with similar properties are in colour-co
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Periodic table illustration
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Illustration of the periodic table of elements The elements are arranged in order of atomic number Elements with similar properties are in colour-co
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Moss spore capsules Coloured scanning electron micrograph (SEM) of the capsules (spore cases) of a club moss (Funaria hygrometrica) The capsules are
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Illustration of the periodic table of elements The elements are arranged in order of atomic number Elements with similar properties are in colour-co
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Periodic table illustration
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Periodic table illustration
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Periodic table illustration
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Periodic table illustration
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Periodic table illustration
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Illustration of the periodic table of elements The elements are arranged in order of atomic number Elements with similar properties are in colour-co
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Periodic table illustration
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Illustration of the periodic table of elements The elements are arranged in order of atomic number Elements with similar properties are in colour-co
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Red cabbage indicator being compared in acid and alkaline solutions Changes in colour (here from purple to red or yellow) are a common way to test th
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Periodic table illustration
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Periodic table illustration
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Sodium ion illustration
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Alchemy Alphabet ACID (Acidum) VINEGAR (Acetum) MEOF vyn egre sour wine Latin vinum (wine) acer (sour); eq (Greek) (in Ukra
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Metals in a smartphone illustration
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pH scale illustration
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Alchemy LIME (Calx) Limestone
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Alchemy LIME (Calx) Limestone
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Alchemy Alphabet SODA (Natron) SODA ASH (Sal soda) washing soda (Soda Hispanica) native soda soda crystals Sodium carbonate Chemical formulaN
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Boyles laboratory Engraving of the laboratory of Robert Boyle (1627-91) British chemist The laboratory contains various furnaces and vessels for s
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Alchemy Alphabet SALT of ALKALI (Sal alcali) Alkaline carbonate (rare hydroxide) term used for both the Potassium and Sodium salts Chemical form
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Alchemy Alphabet ALKALI (arab Al-qali - calcined plant ashes) CAUSTIC (Latin Causticum burning) caustic and corrosive compounds of Alkaline K
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Alchemy Alphabet NITRE NITER (Nitrum Sal nitrum Sal nitri) - common Nitre eg Saltpeter (Saltpetre Salt of Peter) ie Potassium nitrate
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Alchemy Alphabet TARTAR (Tartarus) Wine Stone Tooth Stone Cream of Tartar (Tartari salis) - wine by-product Potassium hydrogen tartrate (impure)
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Alchemy Alphabet SALTPETER SALT-PETRE (Sal Petrae stone salt) Salt of Peter Salt of Petra Petersalt syn Indian salt Potassium nitrate Che
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Alchemy Alphabet SODA (Natron) SODA ASH (Sal soda) washing soda (Soda Hispanica) native soda soda crystals Sodium carbonate Chemical formulaN
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Alchemy Alphabet ALKALI (arab Al-qali calcined plant ashes) CAUSTIC (Causticum burning) - compounds of Alkaline Kalium (Potas
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Alchemy Alphabet POTASH POT ASHES (Cineres clavellati) Wood ash; Salt of wormwood (Sal absinthii); Salt of Potassium (Sal alcali) alkaline compou
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Alchemy Alphabet LIME (Calx) Limestone Chalk chalc ( ) Also Calcia Calcaria Calcinare Calcination Calcite Calcium ca
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Pupils performing a titration Schoolgirl dripping measured volumes of an acid from a burette (down right) while a schoolboy takes notes The conic
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Alchemy Alphabet QUICKLIME (Calx viva) Burnt Lime Unslaked Lime ( ) Calcium oxide Chemical formulaCaO Alchemical sign Mediev
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Disinfectant for the bathroom icon outline style
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Disinfectant for the bathroom icon flat style
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Granite light micrograph
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Polarised light micrograph of granite from the Fichtel Mountains Germany Granite is an igneous rock with between 20 and 60 quartz by volume and w
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Macrophotograph of granite from Brixen South Tyrol Italy Granite is an igneous rock with between 20 and 60 quartz by volume and with at least 35
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Light micrograph of granite from Brixen South Tyrol Italy Granite is an igneous rock with between 20 and 60 quartz by volume and with at least 3
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Brixen granite
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Light micrograph of aplite from the former Schrofel quarry Heselbach Black Forest Germany Aplite is an intrusive igneous rock with the same minera
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Pupil performing titration Schoolgirl dripping measured volumes of an acid from a burette (down centre) The conical flask (lower centre) contains
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Brixen granite light micrograph
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Aplite light micrograph
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Forbach granite light micrograph
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Macrophotograph of polished Forbach granite from Raumunzach Murgtal Black Forest Germany This type of granite is part of the northern Black Forest
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Polarised light micrograph of Forbach granite from Raumunzach Murgtal Black Forest Germany This type of granite is part of the northern Black Fore
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Forbach granite light micrograph
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Litmus strip in household cleaning liquid turning green Photo by DK IMAGESSCIENCE PHOTO LIBRARY
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Wad is a generic name for poorly crystalline soft manganese oxideshydroxides often containing significant amounts of hydroxidesoxides of other ads
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Microcline
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Titration experiment to measure the volume of acid needed to neutralize an alkaline solution The alkaline solution is in the conical flask (bottom ce
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Flame tests with element symbols
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Periodic table of the chemical elements
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Red litmus paper turning blue in ammonia
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Red litmus paper turned blue by ammonia
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Alkali flies (Ephydra hians) on vegetation This fly inhabits alkaline waters across North America Photographed at Lake Mono California USA
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pH measurement Electrical pH measurement of an alkaline solution of washing soda (sodium carbonate NaCO3 right) The pH of a solution is a measure
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Valve and tip of a burette with a flask
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Gold mine A head frame and conveyor belts over the shaft of a gold mine Gold has been one of the most sought after metals since antiquity much of i
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Gold mine A head frame and conveyor belts over the shaft of a gold mine Gold has been one of the most sought after metals since antiquity much of i
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Titration Chemist prepares to chemically analyse a solution using a technique known as titration He is pipetting a coloured solution out of a flas
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Gold mine The sun sets behind the head frame over the shaft of a gold mine Gold has been one of the most sought after metals since antiquity much o
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Solution mining Settling tanks at a potash solution mine Potash is a name given to a group of alkaline potassium compounds including potassium carb
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Solution mining Settling tanks at a potash solution mine Potash is a name given to a group of alkaline potassium compounds including potassium carb
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Biofuel research Bottles of various products in the stages used to produce biodiesel from a plant oil The initial oil is extracted from the seeds of
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Biofuel research Bottles of various products in the stages used to produce biodiesel from a plant oil The initial oil is extracted from the seeds of
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Biofuel research Bottles of various products in the stages used to produce biodiesel from a plant oil The initial oil is extracted from the seeds of
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Hand washing using soap Soaps are water soluble sodium or potassium salts of fatty acids They are made from fats and oils through chemical treatment
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Adding acid to alkaline solution
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Adding acid to alkaline solution
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Hermann Kolbe Historical portrait of the German organic chemist (Adolf Wilhelm) Hermann Kolbe (1818-1884) Kolbe was an inspirational teacher and a t
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Adding acid to alkaline solution
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Adding acid to alkaline solution
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Chemistry pupil adding universal indicator (UI) to several different solutions to measure their pH (acidity) UI is a mixture of chemicals that change
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Titration experiment
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Titration experiment preparation by a student He is using the pipette-filler (red) in his right hand to fill a volumetric pipette with acid from the
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Student making soap in the laboratory from vegetable oil and sodium hydroxide (NaOH) Soap can be made from most oils or fats Fatty acids (glyceryl e
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Pupil performing titration Schoolgirl dripping measured volumes of an acid from a burette (down right) The conical flask (lower right) contains a me
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Pupil performing titration Schoolgirl dripping measured volumes of an acid from a burette (down centre) The conical flask (bottom centre) contains a
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Students performing a titration
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Joseph Crosfield Sons soap factory at Bank Quarry Warrington 1 Boiler shed 2 Alkali plant 3 Raw material being brought by boat along the Mer
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Healthy breakfast Pot of yoghurt on a plate with a slice of melon (Cucumis melo) a few almonds (Prunus dulcis) and a peeled tangerine (Citrus reticu
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Alkaline household products A selection of everyday products that have alkaline properties From left to right indigestion tablets (antacids) tooth
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Soda crystals These are used as a domestic cleaner
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Glass objects Collection of familiar objects made from glass Glass is a hard brittle transparent substance formed by heating silicates most usually
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Salt lake Salt deposits in Lake Carson a salt lake in the Great Basin an arid area of the western USA A salt lake is a lake which contains water o
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Soil testing A pH meter showing the alkalinity of soil Farmers and gardeners use pH meters to determine the pH level of soil to assess its suitabili
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Joseph Crosfield Sons soap factory at Bank Quarry Warrington A Glycerine Plant B Silicate Plant C Alkali Plant 1 General view of works 2 Dis
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Joseph Crosfield Sons soap factory at Bank Quarry Warrington A Glycerine Plant B Silicate Plant C Alkali Plant 1 General view of works 2 Dis
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Joseph Crosfield Sons soap factory at Bank Quarry Warrington 1 Boiler shed 2 Alkali plant 3 Raw material being brought by boat along the Mer
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Periodic table computer artwork This table shows the chemical elements arranged in order of atomic number (the number of protons in the nucleus) El
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