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Verre à montre Photos ❘ Science Photo Library
12635626 - Chemicals elements, compound and mixture
12630556 - Gallium
12629785 - Potassium Bromide (KBr)
12629550 - Lithium chloride, LiCl
12636374 - Cerium oxide
12629783 - Potassium Halides
12644179 - Magnesium ribbon and calcium nuggets
12639417 - Tin
12636381 - Copper sulphide
12630324 - Calcium
11718778 - Copper chloride crystals
12630327 - Sodium and Potassium Hydroxides
12395291 - Copper (II) sulphate
12636377 - Bismuth
12635615 - Iron oxides
11708014 - Iron filings and sand
11620195 - Gallium
12635614 - Epsom salt
12635628 - Testing iron sulphide for magnetism
12635625 - Iron, sulphur and their mixture
12635623 - Chemical compound and physical mixture
12635611 - Charcoal
12629953 - Dry ice sublimating
12636034 - Evaporation of water and salt solution, 2 of 2
12629952 - Dry ice sublimating
11696705 - Limestone reacting with acid
12636132 - Sulphur Powder
12636496 - Sugar
12629549 - Lead (II) nitrate, Pb(NO3)2
12635612 - Iron (II) oxide
12630532 - Zinc Oxide
12630323 - Sodium Sulfite
12629786 - Potassium Iodide (KI)
11571446 - Hydrated copper (II) sulphate crystals
12636385 - Cadmium sulphate
12636375 - Lead
12630317 - Elemental Copper
12043242 - Sodium carbonate
12630541 - Barium Chloride
12054904 - Water evaporation residues
12044870 - Copper(II) Salts
12044866 - Manganese (II) Carbonate
12043816 - Sodium Bicarbonate
12630325 - Sodium Hydroxide
12044878 - Ammonium Nitrate
12044704 - Glucose
12043248 - Iron(III) chloride hexahydrate
12630328 - Sodium Hydroxide
12629784 - Potassium Chloride (KCl)
12044872 - Nickel(II) Sulfate
12044862 - Copper (I) Oxide
12043810 - Calcium Salts
12630537 - Potassium Dichromate
12630534 - Aluminium Oxide
12630540 - Potassium Thiocyanate
12044879 - Silver Nitrate
12044700 - Chromium (III) potassium sulfate
12043808 - Carbonates
11518485 - Elements
12630539 - Potassium Chromate and Potassium Dichromate
12630538 - Potassium Chromate
12630531 - Lead(II) Oxide
12630528 - Oxides
12630326 - Potassium Hydroxide
12044699 - Chromium (III) potassium sulfate
12043811 - Calcium Salts
12043247 - Iron(II) sulfate heptahydrate
12630555 - Gallium
12630535 - Magnesium Oxide
12043814 - Calcium Chloride Dihydrate
12043261 - Transition Metal Salts
12043250 - Aluminum sulfate
11620175 - Sulphur
12630329 - Potassium Hydroxide
12044863 - Copper (II) Oxide
12044701 - Strontium chloride
12043268 - Aluminum and aluminum sulfate
12043251 - Sodium carbonate
12043267 - Zinc and Zinc sulfate
12043255 - Copper(II) chloride dihydrate
12043254 - Iron(II) sulfate heptahydrate
12043246 - Cobalt(II) chloride hexahydrate
12032142 - Sulfur Powder
12044877 - Carbonates
11620197 - Gallium
12043266 - Several Metal Salts
12032190 - Copper(II) Chloride Flame Test
12043253 - Cobalt(II) chloride hexahydrate
12044869 - Manganese Oxidation States
12043262 - Transition Metal Salts
12043259 - Iron(III) chloride hexahydrate
12043245 - Zinc sulfate heptahydrate
11608072 - Aluminium powder on watch glass
12045202 - Potassium Carbonate
12044865 - Vanadium (V) Oxide
12044703 - Glucose and sucrose
12043271 - Testing for Magnetism
12043269 - Iron and iron sulfate
12044873 - Barium Sulfate
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