写真素材の検索結果

Litmus pH indicator in acid and basic

Phenolphthalein a single indicator

Phenolphthalein a single indicator

Universal indicator colour range

Phenolphthalein acid-base indicator

Phenolphthalein a single indicator

Phenolphthalein at pH9.3

Methyl orange in acid

Methyl orange in acid

Universal indicator colour range

Testing pH of soils

Test for chlorine

Litmus paper test on a lemon

Litmus paper test on an orange

Litmus paper

Methyl orange

Methyl orange in alkali

Methyl orange in alkali

Litmus paper test on a lemon

Litmus paper test on an orange

Red cabbage pH indicator

Red cabbage pH indicator

Universal indicator

Blue litmus paper in acid

Precipitates of transition metal salts

Positive test for chlorine

Positive test for chlorine

Red litmus paper in alkali

Red cabbage pH indicator

Red cabbage pH indicator

Litmus paper

Litmus solution added to acid

De-colourised bromine water

Testing pH

Laboratory pH meter

pH in sodium bicarbonate solution

pH in sodium bicarbonate solution

Testing pH

Copper (II) oxide reacting with sulphuric acid

Copper (II) chloride solution

Ethanal and Brady's reagent

Cobalt chloride test for water

Positive cobalt chloride test for water

The cobalt chloride test for water

Soil settling out of water

pH meter in orange juice

pH meter in orange juice

Litmus solution added to alkali

Digital pH meter

Phenolphthalein indicator

Acids react with alkalis producing a salt

Bromothymol blue indicator

Copper-silver metal displacement reaction

Ethanal and Brady's reagent

Ethanal and Brady's reagent

Bromine water test for alkenes

Litmus paper in acid

Reading a burette

Reading a burette of permanganate

Reading a burette

Reading a burette of permanganate

Loudspeaker and microphone

Reading a burette

Reading a burette of permanganate

Soil pH meter

Soil pH meter

Soil pH meter

Indicator chemicals

Neutralisation titration

Testing pH

Potassium dichromate test for alcohols

試験管

Bromine

Copper II sulfate

Lead

Water

Sulfur

Potassium dichromate

Aluminium powder

Test tube of bromine water

複数の試験管

複数の試験管

Colour range of Universal Indicator

Positive ammonia test

Poitive ammonia test

The ammonia test

Recrystallised rock salt

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

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

Universal indicator paper

Universal indicator paper

Starch content of leaves

Starch content of leaves

Litmus paper test

Soil pH meter

Copper complex solutions

Copper sulphate reactions

Litmus paper in alkali

液体を試験管に入れる

Ammonia test

Equipment used in a titration.

Neutralisation titration

Universal indicator papers

Universal indicator papers

小さな芽の入った試験管

Litmus indicator

理科の実験イメージ

理科の実験イメージ

理科の実験イメージ

理科の実験イメージ

理科の実験イメージ

Red cabbage indicator

ph値測定リトマス紙

4個のシャーレ

Universal indicator test on a lemon

Universal indicator test on an orange

Electroscope

Electrometer

Grinding natural rock salt

Filtering rock salt solution

Simple circuit with motor

Iron (II) hydroxide precipitation

Iron (III) hydroxide precipitation

Potassium permanganate titration

Potassium permanganate titration

Iodine clock reaction

Copper sulphate electrolysis

試験管

Benedict's test for sugar.

Cobalt (II) chloride solution

Iron (III) chloride solution

4個のシャーレ

大豆の入ったアルコールランプ

大豆の入ったアルコールランプ

大豆の入ったメスシリンダー

フラスコ

フラスコ

Litmus paper test

Acid-base indicators

Iodine clock reaction

Iron salts in solid and liquid forms

Methyl orange indicator

Magnetic attraction

液体の入った三角フラスコと実権用具

Testing for carbonate

Methyl orange indicator

Testing for carbon dioxide

Positive test for carbon dioxide

Test for carbon dioxide

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Food clourings

Electrostatic attraction

液体の入った三角フラスコと試験管

試験管

Chromatography of coloured inks

Chromatography of black ink

Cobalt hydroxide precipitate

PH test with universal indicator paper

Osmosis experiment

試験管とスポイト

実験イメージ

Tin in sulphuric acid

Benzoic acid precipitate

Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution

Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution

Copper sulphate solutions

Copper sulphate dissolving in water

実験イメージ

Neutralisation reaction

Close up of test tubes

Illustration Technique, Measuring Beaker, Test Tube,

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

試験管

試験管

試験管

試験管