Zinc sulphate crystals.
Zinc chloride and zinc sulphate
Copper (II) sulphate
Copper sulphate crystals growing
Iron II sulphate 7 water on watch glass
Copper (II) sulphate crystals
Zinc sulphate crystals
Zinc nitrate crystals
Sodium sulphate crystallization
Moles of solids compared
Zinc displacing copper
Iron (II) chloride crystals
Salt crystals formed by evaporation
Ferrous sulphate crystals
Reaction rates
Displacement reaction
Iron (II) chloride on a watch glass
Iron (II) chloride with hazard pictograms
Metal salt crystals
Iron sulphate
Vitamin C and zinc sulphate crystals, light micrograph
Anhydrous copper sulphate
Copper II sulphate on watch glass
Copper II sulphate with hazard pictograms
Phenol crystals
Zinc granules in sulphuric acid
Zinc Sulphate with hazard pictograms
Hydrated copper sulphate crystals
Copper sulphate crystals
Zinc Sulphate 7 water on watch glass
Preparing copper sulphate solution
Hydrated copper sulphate crystals, SEM
Transition metal salts
Sodium dichromate
Ammonium chloride
PH test with universal indicator paper
Diffusion in agar
Metal displacement reaction
Chemistry experiment
Hydrating copper sulphate
Hydrated copper sulphate
Dissolving copper sulphate crystals
Cobalt chloride
Sulphur crystals
Copper sulphate crystal
Copper chloride crystals
Ammonium Sulphate, polarised light micrograph
Copper sulphate precipitate
Water added to anhydrous copper sulphate
Flame test for barium.
Epsom salt crystals, light micrograph
Damp magnesium chloride
Copper II sulfate
Magnesium sulphate crystals
Mercury oxide
Sodium hydroxide pellets on watch glass
Sulphate ion test result
化学物質の結晶
Aluminium precipitate in sodium hydroxide
Aluminium in excess sodium hydroxide
Manganese (IV) oxide
Sodium carbonate with hazard pictograms
Copper II oxide photographed at 1:
Water evaporation residues
A piece of Thenardite
Triiodomethane crystals
Sucrose and zinc sulphate, polarised light micrograph
Chemical mixture, polarised light micrograph
Residue from evaporated water
Copper sulphate and alum crystals
Potassium dichromate crystallization, macrophotograph
Potassium chromate crystallization
Nickel displacing copper
Silver thiosulphate precipitate
Barite crystals, SEM
Copper sulphate solution
Magnesium sulfate heptahydrate crystals
Chalcanthite crystals in rock groundmass
Equipment used in a titration.
Alum crystals
Copper sulphate dissolving in water
Chemistry equipment, glass flask
Briggs-Rauscher oscillating reaction
Sodium borohydride powder
Copper oxide powder
Potassium dichromate on a watch glass
Copper II oxide on a watch glass.
Nickel II nitrate with hazard pictograms
Potassium dichromate and hazard pictograms
Copper II oxide with hazard pictograms
Nickel II nitrate 6 water on watch glass
Copper ion reaction
Benedict's test for sugar.
Evaporation experiment
Copper carbonate being heated
Cobalt precipitation
Iron precipitation
Chromium precipitation
Iron filings and sand
Zinc II chloride with hazard pictograms
Copper sulphate crystallizing
Celestine crystals in sulphur groundmass
Zinc reacting with copper sulphate
Barite crystal fibres, SEM
Sulphur deposits, Volcano Island, Italy
Brochantite
Magnesium sulphate with hazard pictograms
Gypsum stone
Daisy Gypsum
Selenite gypsum
Glauberite, close-up
Linarite in rock groundmass, close-up
Calcium chloride with hazard pictograms
School Science Lesson
Magnesium sulphate water 7 on watch glass
Lubricating oil
Calcium carbide salts
Iron (II) hydroxide precipitation
Galenite crystals
Calcium sulphate crystals, SEM
Zinc oxide crystals, SEM
Copper sulphate crystals light micrograph
Potassium nitrate crystals
Barite on Cerusite I
Barite on Cerusite II
Barite on Cerusite, close
Manganese sulphate heptahydrate, polarised light micrograph
Zinc displacing lead
Sodium hydroxide
Copper oxide
Copper (II) oxide (CuO) on a watch glass
Sodium hydroxide with hazard pictogram
Potassium permanganate on a watch glass
Potassium permanganate hazard pictograms
Barium reacting with water
Carbon dioxide test
Liesegang patterns
Calcium reacting with water
Phosphorus chloride reacting with water