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Uhrglas Bilder ❘ Science Photo Library
13361250 - Boron
13360934 - Hydrated cobalt chloride
12649935 - Thioacetamide
13244544 - Zinc oxide with hazard pictograms
13244092 - Magnesium sulphate water 7 on watch glass
13243088 - Nickel II nitrate with hazard pictograms
12649934 - Sodium nitrate
12649718 - Ammonium dichromate volcano
13501313 - Salicylic acid
13360927 - Anhydrous and hydrated cobalt chloride
13242862 - Zinc Sulphate 7 water on watch glass
12649712 - Ammonium dichromate volcano, 2 of 5
13501311 - Salicylic acid
13501310 - Acetylsalicylic acid
13501169 - Chemicals
13471708 - Dried starch powder
13244546 - Potassium nitrate with hazard pictograms
13244543 - Magnesium sulphate with hazard pictograms
13243094 - Sodium hydroxide pellets on watch glass
13243090 - Potassium dichromate and hazard pictograms
13242852 - Chromium III chloride and hazard pictogram
12651699 - Vanadium
12651694 - Oxalic acid
12649711 - Ammonium dichromate volcano, 4 of 5
12639460 - Dry Ice Sublimating
12635620 - Sulphur
12642628 - Calcareous soil
12636032 - Evaporation of water and salt solution
12395281 - Citric acid crystals
12651692 - Lead(II) oxide
12635561 - Isopropanol burns
12639414 - Aluminium
12636378 - Chromium
12649938 - Chromium oxidation states
12649717 - Ammonium dichromate volcano
12647163 - Nickel(II) salts
12636387 - Sodium sulphide
12636376 - Zinc
12349603 - Zinc sulphate crystals.
12651690 - Cobalt(II) salts
12649937 - Ammonium acetate
12644178 - Calcium nuggets
12639461 - Dry Ice Sublimating
12636033 - Evaporation of water and salt solution, 1 of 2
12635631 - Separating iron from sulphur
13495976 - Potassium chlorate
12636384 - Potassium nitrate
12635563 - Methanol burns
13495980 - Copper(II) nitrate
12651696 - Chromium(III) chloride
12636388 - Zinc and zinc sulphate
12636383 - Manganese sulphate
12635613 - Iron (III) oxide
12651693 - Lead(IV) dioxide
12649940 - Chromium(III) oxide
12635616 - Iodine
12636379 - Antimony
12635629 - Testing sulphur for magnetism
12630527 - Oxides
11708049 - Sulphur and iron filings
12636386 - Potassium fluoride
12636382 - Tin sulphate
12635624 - Iron, sulphur and iron sulphide
12635630 - Testing iron for magnetism
12635622 - Mixture of iron and sulphur
12630533 - Calcium Oxide
12630321 - Citric Acid
12629547 - Lithium chloride, LiCl
12635632 - Separating iron from sulphur
12635627 - Chemical compound and physical mixture
12635564 - Methanol burns
12630536 - Iron(III) Oxide
12630316 - Elemental Copper
12635617 - Epsom salt
12630322 - Sodium Phosphate
12629782 - Potassium iodide
12629548 - Lead (II) nitrate, Pb(NO3)2
11726036 - Evaporite of hard water
12636380 - Manganese
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
11712696 - Salt
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
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