写真素材の検索結果

Potassium dichromate

Copper II sulfate

Copper (II) chloride solution

Lead

Water

Bromine

Sulfur

Iron salts in solid and liquid forms

Aluminium powder

Potassium dichromate test for alcohols

Iron (III) chloride solution

Precipitates of transition metal salts

Potassium dichromate solution

Test tube of bromine water

Iron (III) hydroxide precipitation

Iron (II) chloride solution

Reading a burette of permanganate

Reading a burette of permanganate

Reading a burette of permanganate

Iron (II) chloride on a watch glass

De-colourised bromine water

Bromine water test for alkenes

Iron (II) hydroxide precipitation

Grinding natural rock salt

Ethanal and Brady's reagent

Iron (III) sulfate

Reduction of potassium dichromate

Universal indicator

Phenolphthalein at pH9.3

Methyl orange in alkali

Container of the chemical element sodium

Iodine clock reaction

Iron (II) chloride with hazard pictograms

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Sodium chloride, molecular model

Solutions of transition metals

Recrystallised rock salt

Cobalt (II) chloride solution

Precipitate of copper (II) chloride in sodium hydroxide

Sodium chloride, molecular model

Container of the chemical element potassium

Copper-silver metal displacement reaction

Test for chlorine

Ethanal and Brady's reagent

Potassium reacting with water

Thorianite

Copper (II) chloride on watch glass

Copper (II) chloride with hazard pictograms

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Container of the chemical element barium

Molecular models of Caesium Chloride.

Molecular model of caesium chloride

Molecular model of caesium chloride

Cyclohexane molecule chair conformation

Potassium permanganate titration

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Sodium chloride, molecular models

Potassium dichromate and hazard pictograms

Magnesium ribbon in ethanoic acid

Ethanal and Brady's reagent

Acids react with alkalis producing a salt

Ammonia test

Potassium reacting with water

Potassium dichromate on a watch glass

Cobalt chloride test for water

Positive cobalt chloride test for water

The cobalt chloride test for water

Chromate solutions

Iron precipitation.

Iron III hydroxide precipitate

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Platinum

Phenolphthalein a single indicator

Phenolphthalein a single indicator

Methyl orange in acid

Methyl orange in acid

Phenolphthalein a single indicator

Methyl orange in alkali

L-(+) alanine, molecular model

Types of resistor

Reading a burette

Reading a burette

Loudspeaker and microphone

Reading a burette

Potassium chromate solutions

2-chloro-2-methylpropane, molecular model

Martian meteorites

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

pH in sodium bicarbonate solution

pH in sodium bicarbonate solution

Soil settling out of water

Copper (II) oxide reacting with sulphuric acid

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

Potassium dichromate crystallization, macrophotograph

Potassium permanganate titration

Positive test for chlorine

Positive test for chlorine

Litmus pH indicator in acid and basic

Potassium reacting with water

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Filtering rock salt solution

Container of the chemical element gallium

Model of cyclohexene molecule

Magnesium sulfate heptahydrate crystals

Magnesium sulfate heptahydrate crystals

Model of cyclopentane molecule

Model of cyclopropane molecule

Butanol, molecular model

Neodymium

Pitchblende

Uraninite

Pitchblende

Pitchblende

Uraninite

Liesegang patterns

Oxidations of alcohols

Iron and sulphur

Silver nitrate test for bromides

Osmosis experiment

Starch content of leaves

Salt in a dish

Potassium chromate and silver nitrate

D-(-) alanine, molecular model

Human skull model

Human pelvis model

Human skeleton model

Human spine model

Human skull model

Human skull model

Human head anatomy model

Human head anatomy model

Electroscope

Electrometer

Transistors

Transistors

Linear potentiometer

Rotary potentiometer

Rotary potentiometer

Formation of Lead (II) iodide

Copper (II) sulphate crystals

Benedict's test for sugar.

Oxidation of ethanal

Alkali dissolving polyester

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

理科の実験（クラフト）