写真素材の検索結果

Salol crystals on a chilled microscope slide

Salol crystals on a microscope slide

Salol cooling rapidly to form crystals

Salol cooling rapidly to form crystals

Salol cooling rapidly to form crystals

Salol cooling rapidly to form crystals

Salol crystals after slow cooling

Salol crystals after fast cooling

Phenol reactions

Methyl orange in acid

Methyl orange in acid

Lithium chloride burns with a bright crimson flame

Sodium chloride burns with a bright yellow flame

De-colourised bromine water

Copper (II) sulphate crystals

Potassium permanganate titration

Magnesium-acid reaction

Magnesium-acid reaction

Limestone-acid reaction

Ethanal and Brady's reagent

Phenolphthalein a single indicator

Phenolphthalein a single indicator

Phenolphthalein a single indicator

pH meter in orange juice

pH meter in orange juice

Light dispersion experiment

Copper-silver metal displacement reaction

Potassium reacting with water

Magnesium burning in air

Starch content of leaves

Starch content of leaves

Cut apple

Battery and steel wool

Potassium permanganate titration

Using a 'makeshift' calorimeter

Test tube of silver chloride

Test tube of silver iodide.

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

Measuring jug and bulb pipette

Close up of slide in microscope in lab

Close up of slide in microscope in lab

Titrating a reactant from a burette

Universal indicator

Potassium chromate and silver nitrate

Benzoic acid precipitate

Rates of reaction experiment

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

The ammonia test

Methyl orange

Positive ammonia test

Poitive ammonia test

Alkane or alkene test

Phenolphthalein acid-base indicator

Ethanal and Brady's reagent

Ethanal and Brady's reagent

Calcium reacting with water, initial stage

Calcium reacting with water, later stage

Iron (II) hydroxide precipitation

Iron (III) hydroxide precipitation

Potassium reacting with water

Potassium reacting with water

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Precipitates of transition metal salts

Optics of camera with no lens

Small clear glass filled with water up to a green line

Grinding natural rock salt

Recrystallised rock salt

pH in sodium bicarbonate solution

Digital colorimeter

Digital colorimeter with cuvettes

Digital colorimeter with cuvettes

Digital colorimeters with cuvettes

pH in sodium bicarbonate solution

Reading a burette

Ammonia test

Reading a burette of permanganate

Reading a burette

Reading a burette of permanganate

Loudspeaker and microphone

Making a reactant solution

Reading a burette

Reading a burette of permanganate

Transferring a reactant into a flask

Cobalt (II) chloride solution

Iron (III) chloride solution

Copper (II) chloride solution

Titration technique

Potassium permanganate titration

Potassium permanganate titration

Complete combustion experiment

Test tube of silver bromide.

Zinc chloride and zinc sulphate

Decomposition of hydrogen peroxide

Decomposition of hydrogen peroxide

Decomposition of hydrogen peroxide

Iron (II) chloride on a watch glass

Iron (II) chloride with hazard pictograms

Tin in sulphuric acid

Using a 'makeshift' calorimeter

Close up of pipette dropping sample onto microscope slide in lab

Close up of pipette dropping sample onto microscope slide in lab

Universal indicator colour range

Azo dye formation

Bromination of phenol

Bromination of phenol

Blood sample on microscope slide

Blood sample on microscope slide

Blood sample on microscope slide

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts

Transition elements and their salts

Transition elements and their salts

Testing pH

Bromine water test for alkenes

Test for chlorine

Positive test for carbon dioxide

Formation of Lead (II) iodide

Iodine clock reaction

Test for carbon dioxide

Copper sulphate electrolysis

Litmus pH indicator in acid and basic

Simple light bulb circuit

Simple light bulb circuit

Conductivity of a glass rod

Conductivity of a metal spoon

Magnetic repulsion

Magnetic attraction

Hand pouring a jug of water into container of oil and syrup

Placing jam jar over lit candle in dish containing water

Dipping magnet in iron filings

Plasticine ball and marbles in tank of water

Orbital phases demonstration

Weighing an apple

Magnetic field

Hydrometer

Electroscope

Electrometer

Filtering rock salt solution

Variable resistance box

Zero-centre ammeter

Rheostat

Electrostatic attraction

Wave diffraction

Wave interference

Potentiometer jockey

Rheostat

Simple circuit with motor

Parallax demonstration

Iron (II) chloride solution

Callus remover crystals, light micrograph

Callus remover crystals, light micrograph

Callus remover crystals, light micrograph

Callus remover crystals, light micrograph

Callus remover crystals, light micrograph

Callus remover crystals, light micrograph

Salicylic acid crystals, polarised light micrograph

理科の実験（クラフト）

理科の実験（クラフト）

Organic synthesis

Girl examining microscope slide

Potassium dichromate test for alcohols

Copper (II) chloride on watch glass

Copper (II) chloride with hazard pictograms

Close up of microscope slides in lab

Phenolphthalein at pH9.3

Methyl orange in alkali

Acids react with alkalis producing a salt