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Magnesium ribbon in dilute ethanoic acid
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Magnesium ribbon in dilute hydrochloric acid
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Magnesium ribbon in ethanoic acid Ethanoic acid will attack most metals However it is not corrosive to stainless steel It is classified as a weak
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Copper sulphate
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Biuret reagent reacting with polypeptide
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Biuret reagent in a test tube with a solution containing protein at a concentration of 2 mgdm3 (milligrams per cubic decimetre) meaning it has chang
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Biuret reagent with low concentration of polypeptide present
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MODEL RELEASED Faecal transplant preparation A technician storing a prepared sample of human faecal matter in cold storage Faecal microbiota transp
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MODEL RELEASED Faecal transplant preparation A technician filtering donated human faecal matter Faecal microbiota transplantation (FMT) is offered
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MODEL RELEASED Faecal transplant preparation A technician diluting donated human faecal matter with saline solution Faecal microbiota transplantati
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Biuret reagent in a test tube with a low concentration of protein (01 milligrams per cubic decimetre) present largely remaining pale blue Biuret re
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Watercolor brush in hand and professional paints Budapest Hungary
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Professional watercolors and drawing albums Budapest Hungary
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Watercolor brush and paint case Budapest Hungary
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Reverse osmosis illustration
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Alchemy Alphabet VINEGAR (Acetum) vyn egre sour wine vinum (wine) acer (sour); eq (Greek) (in Ukraine) Sour-tasting liquid Ace
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Finger skin SEM
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Varnish Varnish being brushed onto a wooden surface Varnish is a transparent liquid which dries to form a hard coating and is applied in order to p
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Daniell cell Invented by the British chemist John Frederic Daniell (1790-1845) the Daniell cell (left) is made from two half-cells the electrolytes
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The spectrum of the cosmic background radiation (red curve) obtained in 1990 by the Cosmic Background Explorer satellite (COBE) The spectrum confirme
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Finger skin SEM
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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The spectrum of the cosmic background radiation (red curve) obtained in 1990 by the Cosmic Background Explorer satellite (COBE) The spectrum confirme
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Arcade in Quadrangle 1858 The Palace of Trimul Naik (Thirumalai Nayakkar Mahal) in what is now Madurai south India Salted paper print or diluted
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Engraving depicting John Frederic Daniells element in a modified form A glass vessel containing diluted sulphuric acid inside is a zinc cylinder (Z
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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Red onion cells light micrograph
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Engraving depicting John Frederic Daniells original electric cell (1836) which was the first constant battery cell Cut away view showing an outer co
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Engraving depicting a secondary battery Plante cell (accumulator) of 1860 glass vessel containing spiral lead plates in dilute sulphuric acid Shown
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Engraving depicting a secondary battery Method of constructing plates of the Plante cell Two lead plates insulated by rubber were rolled up and secu
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Red onion cells light micrograph
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Coloured SEM of crystals of saccharin
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Coloured SEM of crystals of saccharin
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Scanning electron micrograph of 125mg tablets of Saxin brand name of an artificial sweetner contaning soluable saccharin Soluable saccharin is the
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Sweat pore on the skin of a human finger
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Sweat pore on the skin of a human finger
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Sweat pore on the skin of a human finger
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Engraving depicting a secondary battery Battery of Plante cells (accumulators) of 20 elements The Plante cell (1860) was 2 spiral lead plates immers
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An engraving depicting a secondary battery Two lead plates insulated by rubber were rolled up and secured with an ebonite cross which was put in a g
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Engraving depicting a Bunsen cell a zinc-carbon primary cell composed of a zinc anode in dilute sulphuric acid separated by a porous pot from a carbo
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Sweat pore on the skin of a human finger
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Homoeopathic ingredients Factory storage area with barrels of ingredients which will be used to produce homoeopathic remedies Homoeopathy states th
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Homoeopathic ingredients Factory worker loading flowers and plants from bags into a processing machine used to produce homoeopathic remedies Homoeop
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Homoeopathic ingredients
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Pipetting green liquid into water
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Homoeopathic remedy development
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Daniell cell Invented by the British chemist John Daniell (1790-1845) the Daniell cell is made from two half-cells whose electrolytes are separated
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Bradfield House Uffculme Devon 1852 Dilute albumen print from a paper negative One of a remarkable series of photographs taken before and after t
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Blast furnace Russells Hall Dudley West Midlands 1859 Mr Mills otherwise unknown as a photographer recorded the blast furnaces at Russells Ha
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Mesmers tub at his consulting room in parish which opened soon after his treatise Memoire sur la decouverte de magnetism animal in 1779 Tub was a
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Culture of bacteria View of bacterial colonies (black dots) growing in agar in a petri dish The bacteria are Salmonella and Escherichia coli The su
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Homeopathic pills Homeopathy is a form of alternative medicine in which chemicals that cause the same symptoms as the condition to be treated are tak
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Homeopathic pills in a patients hand Homeopathy is a form of alternative medicine in which chemicals that cause the same symptoms as the condition t
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Homeopathic medication Safety cap on a bottle of homeopathic pills Homeopathy is a form of alternative medicine in which chemicals that cause the sa
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Homeopathy pills in a patients hand Homeopathy is a form of alternative medicine in which chemicals that cause the same symptoms as the condition to
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Homeopathy pills in a patients hand Homeopathy is a form of alternative medicine in which chemicals that cause the same symptoms as the condition to
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Homeopathy pills Homeopathy is an alternative medicine that aims to treat diseases by giving extremely dilute doses of compounds that cause the same
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Mesmers tub at his consulting room in parish which opened soon after his treatise Memoire sur la decouverte de magnetism animal in 1779 Tub was a
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Homoeopathic remedy development Homoeopath pipetting a liquid into a flask using a pipettor a type of automatic pipette Homoeopathy states that a
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Cultures of bacteria Laboratory technicians examine bacterial colonies growing on agar in petri dishes The petri dishes are filled with different
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Homoeopathy Elderly woman taking a pill from a container of homoeopathic medicine Homoeopathy is based on the principle that a disease is best treat
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Homoeopathy Woman holding a container of homoeopathic medicine Homoeopathy is based on the principle that a disease is best treated by taking tiny d
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Homoeopathy pills in a container The principal of homoeopathy states that a given illness may be cured by administering minute doses of substances th
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Homoeopathy pills in a square container The principal of homoeopathy is that a given illness may be cured by administering minute doses of substances
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Homoeopathic ingredient Bottle of plant material preserved in alcohol used to produce homoeopathic remedies Homoeopathy states that an illness may
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Homoeopathic ingredients Bottles of plant material preserved in alcohol used to produce homoeopathic remedies Homoeopathy states that an illness m
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Homoeopathic ingredients Bottles of plant material preserved in alcohol used to produce homoeopathic remedies Homoeopathy states that an illness m
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Homeopathy pills being held by a woman Homeopathy is an alternative medicine that aims to treat diseases by giving extremely dilute doses of compou
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Scientists screening blood at the North London Blood Transfusion Centre The man on left is performing a Fuji-Rebio test for antibodies to HIV-1 (Hu
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Pupil measuring pH Schoolboy using a digital pH meter to measure the pH of dilute ethanoic (acetic) acid The display shows 29 indicating that th
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Homoeopathic remedies
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Homoeopathic ingredients Homoeopath cataloguing wild flowers and plants arranged on a rock to be used in homoeopathic remedies Homoeopathy states t
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Homoeopathic pills Homoeopathy states that an illness may be cured by administering minute doses of substances which cause similar symptoms to those
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Homoeopathic pills
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Homeopathy pills being poured from a glass dish Homeopathy (or homoeopathy) states that an illness may be cured by administering minute doses of subs
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Brain tumour Light micrograph of a section through a craniopharyngioma brain tumour This tumour arises from the remnants of Rathkes pouch a struct
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Measuring reaction rate
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Using a pH meter Schoolgirl using a pH meter on a solution of dilute ethanoic acid (CH3COOH) The display shows an acidic pH of 490 A pH reading
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Mesmers tub at his consulting room in parish which opened soon after his treatise Memoire sur la decouverte de magnetism animal in 1779 Tub was a va
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Invasive seaweed control Divers with a tarpaulin used in efforts to control an alien species of green alga (Caulerpa taxifolia) An infested area is
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Homoeopathic ingredients
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Standard dilute solution of hydrochloric acid is 10M Under the current UN Globally Harmonized System of Classification and Labelling of Chemicals (G
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Reagent bottle of 10M hydrochloric acid
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Illustration depicting how light pollution dilutes the night sky depending on environment On the left is the most extreme case the view from a city
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Illustration depicting how light pollution dilutes the night sky depending on environment On the left is the most extreme case the view from a city
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Investigating pH and neutralisation
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Foresters working in a pine forest cutting down trees to to thin out the forest to reduce fire hazard Photographed in Israel
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Foresters working in a pine forest cutting down trees to to thin out the forest to reduce fire hazard Photographed in Israel
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Reaction of a gram of marble in acid A gram of marble powder (L) and a gram of marble chips (R) are immersed in a solution of 25cc of dilute hydrochl
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Comparison between acid reactions
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