写真素材の検索結果

Potassium reacting with water

Potassium reacting with water

Potassium reacting with water

Potassium reacting with water

Potassium reacting with water

Magnesium-acid reaction

Magnesium-acid reaction

Magnesium burning in air

Calcium reacting with water, later stage

Calcium reacting with water, initial stage

Potassium reacting with water

Ice on fire, conceptual image

Burning lithium

Candle flame

Iron (II) hydroxide precipitation

Lithium chloride burns with a bright crimson flame

Sodium chloride burns with a bright yellow flame

Limestone-acid reaction

Battery and steel wool

Container of the chemical element sodium

Potassium burning

Potassium dichromate

Matchstick on fire

Container of the chemical element potassium

Starch content of leaves

Cut apple

Iron (III) hydroxide precipitation

Electroscope

Electrometer

Grinding natural rock salt

pH in sodium bicarbonate solution

Digital colorimeter

Digital colorimeter with cuvettes

Digital colorimeter with cuvettes

pH in sodium bicarbonate solution

Weighing an apple

Zero-centre ammeter

Rheostat

Wave diffraction

Rheostat

Iron burning in chlorine gas

Metals

Matchstick on fire

Matchstick on fire

Matchstick on fire

理科の実験（クラフト）

理科の実験（クラフト）

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

Digital colorimeters with cuvettes

Titrating a reactant from a burette

Transferring a reactant into a flask

Dipping magnet in iron filings

Plasticine ball and marbles in tank of water

Small clear glass filled with water up to a green line

Using a 'makeshift' calorimeter

Potassium chromate and silver nitrate

Copper-silver metal displacement reaction

Sodium reacting with chlorine

Matchstick on fire

Matchstick on fire

Hydrometer

Recrystallised rock salt

Filtering rock salt solution

Universal indicator

pH meter in orange juice

Variable resistance box

Iron reacting with chlorine

Sparkler and sparks

Potassium permanganate titration

Using a 'makeshift' calorimeter

Iron (III) chloride solution

Dysprosium

Iridium

Ruthenium

Pitchblende

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Pitchblende

Uraninite

Heating sodium chloride

Methylbenzene burning

Investigating combustion of hydrogen

Sparkler

Sparkler

Potassium burning

Potassium burning

Container of the chemical element aluminium

Container of the chemical element copper

Container of the chemical element gold

Container of the chemical element indium

Container of the chemical element iron

Container of the chemical element rhenium

Container of the chemical element silver

Lead

Water

Aluminium powder

Making a reactant solution

Sooty flame

Copper (II) chloride on watch glass

Copper (II) chloride with hazard pictograms

Iron (II) chloride on a watch glass

Sparkler and sparks

Conductivity of a metal spoon

Tally counter

Cobalt (II) chloride solution

Copper (II) chloride solution

Silver nitrate test for chlorides

アルコールランプの炎

Potassium permanganate titration

Matchstick

Thorianite

Hand pouring milk from glass jug

Sodium reacting with water

Lithium reacting with water

Sodium reacting with water

Lithium reacting with water

Testing sulphur for conductivity

Burning copper

Neodymium

Uraninite

Pitchblende

Flame test on potassium

Potassium flame test

Child's hand lowering magnet over household objects

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Sparkler

Starch content of leaves

Salol crystals on a microscope slide

Salol crystals on a chilled microscope slide

De-colourised bromine water

Methyl orange in acid

Methyl orange in acid

Spring

Set of weights

Red plate holding two ice cubes

Copper chemistry experiment

Smoke

Bromine

Container of the chemical element actinium

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 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 hafnium

Container of the chemical element holmium

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 samarium

Container of the chemical element selenium

Container of the chemical element silicon

Container of the chemical element strontium

Loudspeaker and microphone

Placing jam jar over lit candle in dish containing water

Phenolphthalein a single indicator

Measuring jug and bulb pipette