写真素材の検索結果

Testing for carbonate

Positive test for carbon dioxide

Testing for carbon dioxide

Carbon dioxide test

Carbon dioxide test

Carbon dioxide bubbling through limewater

Yeast fermentation experiment

Carbon dioxide test

Complete combustion experiment

Test for carbon dioxide

Test for carbon dioxide

Aluminium chloride and sodium carbonate

Aluminium chloride and calcium carbonate

Ammonium chloride formation

Copper sulphate with sodium carbonate

Zinc granules in weak hydrochloric acid

Limestone-acid reaction

Positive ammonia test

Poitive ammonia test

The ammonia test

Chromium in dilute acid

Reaction rates

Reaction rates

Carboxylic acid with sodium carbonate

Carboxylic acid with sodium carbonate

Carboxylic acid with sodium carbonate

Alkane or alkene test

Alkane alkene in bromine water

Neutralisation titration

Tin in sulphuric acid

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Acid/salt reaction

Universal indicator colour range

Acidic and alkaline chromate solutions

Phenolphthalein acid-base indicator

Limestone and acid

Copper carbonate reaction

Marble in acid demonstration

Limestone reacting with acid

Testing for carbon dioxide gas with limewater

Iron in sulphuric acid

Cobalt hydroxide precipitate

Zinc granules in sulphuric acid

Alkene bromine test

Acid-base titration

Calcium reacting with water

Calcium reacting with water

Universal indicator colour range

Complete combustion experiment

Reaction of sodium carbonate in acid

Ethanal reaction

De-colourised bromine water

Measuring change of mass in a reaction

Precipitates of transition metal salts

Chrome alum solution

Chrome alum in alkaline solution

Litmus pH indicator in acid and basic

Marble in acid demonstration

Marble in acid demonstration

Phosphorus chloride reacting with acid

Iron burning in chlorine gas

Copper ion reaction

Iron precipitation.

Iron III hydroxide precipitate

Metals reacting in acid

Alkane decolourisation of bromine

Alkane decolourisation of bromine

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 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

Carbon dioxide gas

Test tube of silver bromide.

Reaction of magnesium carbonate in acid

Investigating pH and neutralisation.

Ammonia test

Burning zinc

Burning zinc

Copper-silver metal displacement reaction

Marble in different strength acids

Marble in acid

Benedict's test for sugar.

Iron (II) chloride solution

Iron (III) chloride solution

Copper (II) chloride solution

Water hardness

Chemical reaction-Pipette 0.25 M solution of iron(III) chloride (FeCl3) into 0.5 M solution of sodium carbonate (Na2CO3). Rusty red iron(III) hydroxide precipitate (Fe(OH)3) & carbon dioxide produced

Lithium chloride burns with a bright crimson flame

Sodium chloride burns with a bright yellow flame

Chemical reaction-Rusty red iron(III) hydroxide precipitate (Fe(OH)3) in test tube formed reaction between iron(III) chloride (FeCl3) & sodium carbonate (Na2CO3): FeCl3+Na2CO3+H2O ->Fe(OH)3+NaCl+CO2

Alkene bromine test

Measuring reaction rate

Liesegang patterns

Displacement reaction

Displacement reaction

Copper complex solutions

Zinc displacing copper

Silver iodide precipitation

Cobalt precipitation

Iron precipitation

Chromium precipitation

Nickel precipitation

Iron precipitation

Iron reacting with sulphur

Oxidations of alcohols

Lead iodide precipitate

Test for sugars

Zinc/acid reaction

Nickel displacing copper

Phenol reactions

Making silver bromide

Reaction rates

Test for chlorine

Positive test for chlorine

Positive test for chlorine

Burning lithium

Comparative reaction of marble in acid

Methyl orange in acid

Methyl orange in acid

Titration technique

Ethanal and Brady's reagent

Ethanal and Brady's reagent

Ethanal and Brady's reagent

Corrosion of iron demonstration

Chemical reaction-Pipette 0.5M solution of copper sulfate (CuSO4) into 0.5M solution of sodium carbonate (Na2CO3). Blue copper carbonate precipitate (CuCO3) formed result: CuSO4+Na2CO3->CuCO3+Na2SO4

Chemical reaction-Pipette 0.5M solution of sodium carbonate(Na2CO3) in 0.25M solution of lead(II) nitrate (Pb(NO3)2). White lead(II) carbonate precipitate(PbCO3) result: Pb(NO3)2+Na2CO3->PbCO3+NaNO3

Reaction of metals in hydrochloric acid

Testing pH

Making hydrogen gas

Hydroxide precipitates

Test tube of silver iodide.

Copper sulphate solutions

Copper sulphate dissolving in water

Potassium dichromate test for alcohols

Salol cooling rapidly to form crystals

Copper carbonate being heated

Blue litmus paper in acid

Glass chemical equipment in a chemistry lab

Acid-base titration

Copper formed by oxide reduction

Brass analysis

Zinc reacting with sulphuric acid

Magnesium carbonate in hydrochloric acid

Magnesium carbonate in hydrochloric acid

Reaction of calcium in acid

Silver compounds

Liesegang patterns

Cyclohexene

The triiodomethane reaction.

Sodium hydroxide added to iron II sulfate

Chemical explosion

Bromine water test for alkenes

Chlorine displacing iodine

Oxidations of alcohols

Iron test

Reaction rate demonstration

Phenolphthalein indicator

Bromothymol blue indicator

Benzoic acid precipitate

Copper sulphate reactions

Chemical laboratory with test tubes and flasks

Decomposition of hydrogen peroxide

Decomposition of hydrogen peroxide

Decomposition of hydrogen peroxide

Bromine test for alkenes

Metals in acid

Calcium reacting with water, initial stage

Test for sugars

Litmus paper

Benedict's test for sugars

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Heating zinc oxide

Glowing limestone chip

Water evaporation residues

Magnesium hydroxide precipitate

Calcium hydroxide precipitate

Lead hydroxide precipitate

Aluminium hydroxide precipitate

Metal hydroxides

Cobalt chloride test for water

Positive cobalt chloride test for water

The cobalt chloride test for water

Copper sulphate electrolysis