写真素材の検索結果

Electronic laboratory water bath

Ammonia test

Thermistors

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Graduated pipette

Plastic pipette

Distillation equipment

Distillation apparatus

Copper-silver metal displacement reaction

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Using a 'makeshift' calorimeter

Iron (III) chloride solution

Bromine

Lead

Water

Potassium dichromate

Aluminium powder

Precipitate of copper (II) chloride in sodium hydroxide

Measuring jug and bulb pipette

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Drops of mercury

Drops of mercury

Using a 'makeshift' calorimeter

Cobalt (II) chloride solution

Iron (II) chloride solution

Copper (II) chloride solution

Copper II sulfate

Sulfur

De-colourised bromine water

Bromine water test for alkenes

Ethanal and Brady's reagent

Magnesium ribbon in ethanoic acid

Laboratory glassware

理科の実験（クラフト）

Cobalt chloride test for water

Positive cobalt chloride test for water

The cobalt chloride test for water

Magnetising a needle

Carboxylic acid with sodium carbonate

Carboxylic acid with sodium carbonate

Carboxylic acid with sodium carbonate

Tin in sulphuric acid

Dried starch powder

Neodymium

Universal indicator

Potassium chromate and silver nitrate

Reading a burette

Iron salts in solid and liquid forms

Reading a burette

Titrating a reactant from a burette

Loudspeaker and microphone

Making a reactant solution

Reading a burette

Transferring a reactant into a flask

Copper (I) chloride on watch glass

Copper (I) chloride with hazard pictograms

Copper (II) chloride on watch glass

Copper (II) chloride with hazard pictograms

Iron (II) chloride on a watch glass

Iron (II) chloride with hazard pictograms

Phenolphthalein at pH9.3

Methyl orange in alkali

Close up of a stationary electric motor

Microscope

Test tube of bromine water

Potentiometers

Potentiometers

Buzzer

Linear potentiometer

Rotary potentiometer

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Potassium reacting with water

Types of resistor

Immiscible liquids

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Test for chlorine

Ethanal and Brady's reagent

Assorted LEDs

Assorted LEDs

Alkane or alkene test

Phosphorus chloride reacting with acid

Chrome alum solution

Rhodium

Palladium

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Acids react with alkalis producing a salt

Reading a burette of permanganate

Formation of Lead (II) iodide

Reading a burette of permanganate

Reading a burette of permanganate

Dried starch powder

Rates of reaction experiment

Alkali dissolving polyester

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Iron and sulphur

Rotating electric motor

PCB potentiometer

PCB potentiometer

Container of the chemical element actinium

Container of the chemical element aluminium

Container of the chemical element americium

Container of the chemical element antimony

Container of the chemical element arsenic

Container of the chemical element berkelium

Container of the chemical element beryllium

Container of the chemical element boron

Container of the chemical element caesium

Container of the chemical element calcium

Container of the chemical element californium

Container of the chemical element carbon

Container of the chemical element cerium

Container of the chemical element copper

Container of the chemical element curium

Container of the chemical element dysprosium

Container of the chemical element einsteinium

Container of the chemical element europium

Container of the chemical element germanium

Container of the chemical element gold

Container of the chemical element hafnium

Container of the chemical element holmium

Container of the chemical element indium

Container of the chemical element iron

Container of the chemical element lanthanum

Container of the chemical element lead

Container of the chemical element lutetium

Container of the chemical element magnesium

Container of the chemical element neodymium

Container of the chemical element neptunium

Container of the chemical element niobium

Container of the chemical element osmium

Container of the chemical element palladium

Container of the chemical element plutonium

Container of the chemical element radium

Container of the chemical element rhenium

Container of the chemical element samarium

Container of the chemical element selenium

Container of the chemical element silicon

Container of the chemical element silver

Container of the chemical element sodium

Container of the chemical element strontium

Silver nitrate test for chlorides

Silver nitrate test for bromides

Silver nitrate test for iodides

Motor effect experiment

Motor effect experiment

Phenolphthalein a single indicator

Methyl orange in alkali

Potentiometer jockey

Hair straighteners

Transistors

Transistors

Rotary potentiometer

PCB potentiometer

試験管

Battery and steel wool

Copper complex solutions

Magnets with a small compass

Magnets

Dipping magnet in iron filings

Metal dissection tray

Metal dissection tray