Acids react with alkalis producing a salt
Methyl orange in alkali
Phenolphthalein at pH9.3
Testing pH
Methyl orange in acid
Phenolphthalein a single indicator
Alkali dissolving polyester
Red cabbage pH indicator
Iron (II) chloride solution
Copper (II) chloride solution
Universal indicator
Precipitates of transition metal salts
Equipment used in a titration.
Cabbage as pH indicator
Methyl orange
Iron salts in solid and liquid forms
Universal indicator colour range
Iron (III) hydroxide precipitation
Phenolphthalein acid-base indicator
Titrating a reactant from a burette
Rates of reaction experiment
Laboratory pH meter
pH in sodium bicarbonate solution
Digital pH meter
Litmus pH indicator in acid and basic
Iron (II) hydroxide precipitation
Litmus paper test
Petal colour change in basic solution
Neutralisation titration
Colour range of Universal Indicator
Household products containing alkalis
Iodine clock reaction
Acids and alkalis
Transition element salts in solution
Sodium hydroxide with hazard pictogram
Sodium hydroxide pellets on watch glass
Test for chlorine
Iron (III) chloride solution
Copper II sulfate
Potassium dichromate
Transferring a reactant into a flask
Red cabbage indicator
Solutions of transition metals
Strong alkalis in laboratory bottles
Benedict's test for sugar.
Cobalt hydroxide precipitate
Potassium permanganate titration
pH meter in orange juice
Soil pH meter
Metal hydroxides
Positive test for carbon dioxide
Test for carbon dioxide
Soap boiling house
Testing pH of soils
実験器具
Iron (II) chloride on a watch glass
Iron (II) chloride with hazard pictograms
Cobalt (II) chloride solution
Precipitate of copper (II) chloride in sodium hydroxide
Potassium chromate and silver nitrate
Acid-base titration
Transition element salts
Transition elements and their salts
Precipitates of transition metals
Hydroxide precipitates
Sodium hydroxide added to iron II sulfate
Calcium reacting with water, initial stage
Calcium reacting with water, later stage
Sodium hydroxide
Sodium reacting with water
Iron (III) sulfate
Ammonium hydroxide in bottle
Reactivity of magnesium
Iron precipitation.
Iron III hydroxide precipitate
Litmus paper test on a lemon
Litmus paper test on an orange
Sodium Hydroxide pearl photographed 1:1
Positive ammonia test
Poitive ammonia test
The ammonia test
Universal indicator paper
Bottle and pellets of sodium hydroxide
Making a reactant solution
Distillation equipment
Distillation apparatus
Copper sulphate reaction
Ammonia test
Reading a burette of permanganate
Investigating pH and neutralisation.
Ammonium chloride formation
Chromate solutions
Silver nitrate test for bromides
Universal indicator papers
Haloalkane test
Biuret reagent test for protein.
三角フラスコ
Copper (II) oxide reacting with sulphuric acid
Titration of propanone and iodine
Bases
Lithium chloride burns with a bright crimson flame
Sodium chloride burns with a bright yellow flame
広口試薬瓶
Limestone and acid
Silver mirror test
Silver mirror test with Tollens' reagent
Nitric acid
Magnesium sulfate heptahydrate crystals
Limestone-acid reaction
Neutralisation reaction
Formation of Lead (II) iodide
Sulfur
Copper (II) chloride on watch glass
Copper (II) chloride with hazard pictograms
Ethanal and Brady's reagent
Iron and sulphur
Bromine
Potassium dichromate test for alcohols
Universal indicator scale
Phenylamine reactions
Container of the chemical element barium
薬品箱
フラスコ
Finding moles of iron in a sample
Salt in a dish
Sodium chloride, molecular model
D-(-) alanine, molecular model
L-(+) alanine, molecular model
Checking the quality of tap water with a water test kit
Universal indicator paper in rainwater
Blackcurrant juice indicator