写真素材の検索結果

Potassium dichromate test for alcohols

Alcohol test

Reduction of potassium dichromate

Phenolphthalein acid-base indicator

Oxidations of alcohols

Oxidations of alcohols

Oxidation test

Copper (I) oxide on a watch glass

Copper (I) oxide with hazard pictograms

Alcohol oxidation

Iron test

Potassium dichromate

Testing for carbon dioxide gas with limewater

Titrating a reactant from a burette

Lead iodide precipitate

Oxidation of ethanal

Blackcurrant juice indicator

Blackcurrant juice indicator

Universal indicator

Silver crystals, metal displacement reaction

Silver crystals, metal displacement reaction

Methyl orange in acid

Potassium permanganate titration

Potassium permanganate titration

Potassium permanganate titration

Potassium permanganate titration

Iron test

Precipitates of transition metal salts

Positive test for carbon dioxide

Positive ammonia test

Poitive ammonia test

Test for carbon dioxide

The ammonia test

Iron (II) and (III) precipitates

Alkene bromine test

Silver nitrate test for bromides

Liesegang patterns

Plant acid-base indicator

Universal indicator colour range

Decomposition of hydrogen peroxide

Decomposition of hydrogen peroxide

Decomposition of hydrogen peroxide

Oxidations of alcohols

Oxidations of alcohols

Carbon dioxide gas

Iron test

Iron test

Benedict's test for sugars

Fehling's reaction

Fehling's reaction

Reduction of copper

Lead crystals, metal displacement reaction

Lead crystals, metal displacement reaction

Lead crystals, metal displacement reaction

Oxidation of alcohols

Phenolphthalein indicator

Bromothymol blue indicator

Soil settling out of water

Iron (II) chloride solution

Iron (III) chloride solution

Copper (II) chloride solution

Ammonia test

Ammonia test for silver halides

Potassium dichromate and hazard pictograms

Potassium dichromate solution

Potassium dichromate on a watch glass

Benzoic acid precipitate

Reading a burette of permanganate

Reading a burette of permanganate

Reading a burette of permanganate

Acid-base indicators

Measuring acidity

Plant acid-base indicator

Universal indicator in acid

Universal indicator in alkali

Copper complex solutions

Making a reactant solution

Transferring a reactant into a flask

Universal indicator colour range

Starch content of leaves

Starch content of leaves

Litmus indicator

Copper-silver metal displacement reaction

Magnesium ribbon in ethanoic acid

Ethanal and Brady's reagent

De-colourised bromine water

Ethanal and Brady's reagent

Magnesium ribbon in ethanoic acid

Ethanal and Brady's reagent

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Carbon dioxide test

Carbon dioxide test

Silver iodide precipitation

Cobalt precipitation

Iron precipitation

Chromium precipitation

Nickel precipitation

Iron precipitation

Carbon dioxide test

Chlorine displacing iodine

Haloalkane test

Potassium chromate and silver nitrate

Rates of reaction experiment

Zinc chloride and zinc sulphate

Titration experiment

Silver nitrate test for chlorides

Silver nitrate test for iodides

Metal hydroxides

Phenolphthalein a single indicator

Phenolphthalein a single indicator

Phenolphthalein a single indicator

Chromate solutions

Complete combustion experiment

Acids react with alkalis producing a salt

Red cabbage indicator

Cobalt hydroxide precipitate

Sodium reacting with ethanol

Copper formed by oxide reduction

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Glass chemical equipment in a chemistry lab

Stretched springs

Fluid pressure demonstration

Titration

Methyl orange in alkali

Indicator paper in acid

Indicator paper in alkali

Indicator solution in acid

Bromine test for alkenes

Iron burning in chlorine gas

Silver mirror test

Silver mirror test

Silver mirror test

Potassium dichromate crystallization, macrophotograph

Vanadium oxidation states

Cobalt chloride paper with drop of water

Iodine clock reaction

Calcium reacting with water, initial stage

Calcium reacting with water, later stage

Limestone-acid reaction

Iron (II) hydroxide precipitation

Iron (III) hydroxide precipitation

Lithium chloride burns with a bright crimson flame

Sodium chloride burns with a bright yellow flame

Cut apple

Battery and steel wool

Cyclohexene

Potentiometer jockey

Cobalt (II) chloride solution

Cobalt chloride test for water

Positive cobalt chloride test for water

The cobalt chloride test for water

Iodine test for starch

Biuret test for proteins

Test for sugars

Copper sulphate electrolysis

Reading a burette

Reading a burette

Reading a burette

Alcohol oxidation

Diffusion in agar

Diffusion in agar

試験管

試験管

試験管

試験管

試験管

試験管

試験管

試験管

試験管

試験管

試験管

試験管

試験管に入った薬

試験管に入った薬

Testing for carbonate

Zinc granules in sulphuric acid

Zinc granules in weak hydrochloric acid

Universal indicator papers

Reactivity of magnesium in water

Iron (II) chloride on a watch glass

Iron (II) chloride with hazard pictograms

Isopropyl alcohol, molecular model

Male researcher in laboratory

Titration technique

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Methyl orange in acid

Using a 'makeshift' calorimeter