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Expérience de chimie Photos ❘ Science Photo Library
11734713 - De-colourised bromine water
12636256 - Salt and Sugar Over Heat
12636266 - Titration of Phenolphthalein
12636262 - Titration of Phenolphthalein
12636264 - Titration of Phenolphthalein
12636263 - Titration of Phenolphthalein
12636243 - Combining Zinc and Copper to Make Brass
12636244 - Combining Zinc and Copper to Make Brass
12636255 - Salt and Sugar Over Heat
12636265 - Titration of Phenolphthalein
12636257 - Sugar Over Heat
12636242 - Combining Zinc and Copper to Make Brass
11794496 - Genetic samples
11794393 - Micropipettes
11794433 - Pipette and test tube
11794392 - Pipette and microtubes
11794340 - Blood samples
11794399 - Dna testing
11794354 - Testing samples in petri dish
11794353 - Microscope and chemicals
11794318 - Laboratory flasks
11794506 - Petri dish and cotton bud
11794497 - Blood sample
11794329 - Genetic research
11794514 - Pipette and microtubes
11794498 - Genetic testing
11794355 - Testing samples in test tube
11794517 - Pipette and test tubes
11794324 - Chemistry experiment
11794331 - Test tubes
11794319 - Laboratory flasks
11794504 - Pipette and microtubes
11794330 - Genetic research
11794394 - Micropipettes
11794352 - Laboratory tests
11997248 - Penny in Nitric Acid
12002960 - Penny in Nitric Acid
12630580 - Calcium reacts with water, 1 of 3
12630567 - Calcium oxide reacts with water
12636260 - Balloon with Static Charge Bends Water Stream
12636280 - Iodine Clock Reaction, 5 of 7
12636251 - Demonstrating Effects of Condensation
12636245 - Demonstrating Dehydration
12636231 - Student Adding Iron Filings to Sulphur
12636189 - Mixing Sodium Chloride and Silver Nitrate
12636284 - Rising Water Demonstration, 2 of 4
12636282 - Iodine Clock Reaction, 7 of 7
12636274 - Methylene Blue Added to Dextrose and KOH, 5 of 6
12636222 - CO2 Released
12636237 - Flame Test for Copper Using Platinum Wire
12636213 - Chemistry Mixing Experiment
12636210 - Colour Mixing Experiment
12636286 - Rising Water Demonstration, 4 of 4
12636271 - Methylene Blue Added to Dextrose and KOH, 2 of 6
12636227 - Why Does Steel Wool Burn?
12636217 - Chemistry Mixing Experiment
12636211 - Colour Mixing Experiment
12636252 - Demonstrating Effects of Condensation
12636234 - Flame Test for Strontium Using a Wooden Stick
12636281 - Iodine Clock Reaction, 6 of 7
12636203 - Colour Mixing Experiment
12636285 - Rising Water Demonstration, 3 of 4
12636273 - Methylene Blue Added to Dextrose and KOH, 4 of 6
12636228 - Why Does Steel Wool Burn?
12636277 - Iodine Clock Reaction, 2 of 7
12636248 - Demonstrating Dehydration
12636204 - Colour Mixing Experiment
12636202 - Colour Mixing Experiment
12636208 - Colour Mixing Experiment
12636191 - Mixing Sodium Chloride and Silver Nitrate
12636187 - Combining Barium Chloride and Sodium Sulphate
12630606 - Barium carbonate precipitate, 1 of 3
12636233 - Flame Test for Potassium Using Wooden Stick
12636196 - Combining Lead Nitrate and Sodium Iodide
12630602 - Barium sulphate precipitate, 2 of 3
12630589 - Calcium reacts with sulfuric acid, 2 of 3
12630586 - Calcium reacts with hydrochloric acid, 3 of 3
12630579 - Calcium reacts with water
12630572 - Calcium oxide reacts with water
12636209 - Colour Mixing Experiment
12630591 - Thiocyanate complex formation
12630584 - Calcium reacts with hydrochloric acid, 1 of 3
12636240 - Flame Test for Potassium
12636239 - Flame Test for Lithium Using Platinum Wire
12636194 - Combining Nitrate and Sodium Iodide
12630588 - Calcium reacts with sulfuric acid, 1 of 3
12636268 - Acid Base Titration, Bromothymol Blue Indicator
12636258 - Rehydrating Ground Copper II Sulphate Pentahydrate
12630616 - Barium sulphate precipitate, 3 of 3
12630605 - Barium carbonate precipitate
12630595 - Thiocyanate complex formation
12636267 - Acid Base Titration, Bromothymol Blue Indicator
12636236 - Flame Test for Sodium Using Wooden Stick
12636212 - Chemistry Mixing Experiment
12630596 - Thiocyanate complex formation, 1 of 4
12630570 - Calcium oxide reacts with water, 3 of 3
12636275 - Methylene Blue Added to Dextrose and KOH, 6 of 6
12636249 - Demonstrating Effects of Condensation
12636192 - Mixing Sodium Chloride and Silver Nitrate
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