Petal colour change in basic solution
Cabbage as pH indicator
Sodium reacting with water
Testing pH
Hydroxide precipitates
Acids react with alkalis producing a salt
Copper sulphate precipitate
Nickel hydroxide precipitate
Metal hydroxides
Bases
Litmus paper test
Sodium hydroxide with hazard pictogram
Sodium hydroxide pellets on watch glass
Sodium hydroxide
Sodium hydroxide added to iron II sulfate
Equipment used in a titration.
Benedict's test for sugar.
Copper (II) chloride solution
Sodium Hydroxide pearl photographed 1:1
Household products containing alkalis
Strong alkalis in laboratory bottles
Solutions of transition metals
Detecting an alkali
Cobalt hydroxide precipitate
Precipitates of transition metal salts
Iron (II) chloride solution
Iron (II) hydroxide precipitation
Bottle and pellets of sodium hydroxide
GHSCC hazard labels
Biuret reagent test for protein.
Lithium reacting with water
Precipitates of transition metals
Soap boiling house
Haloalkane test
Iron (III) hydroxide precipitation
Sink unblocker chemical crystals
Copper sulphate reaction
Fibrous mass of Brucite
Alkali dissolving polyester
Silver mirror test with Tollens' reagent
Flame tests
Iron precipitation.
Iron III hydroxide precipitate
Lazulite in groundmass of quartz
Common glasswort (Salicorna europaea)
Silver mirror test
Acids and alkalis
Methyl orange indicator
Brass analysis
Calcium reacting with water
Nitric acid molecule, illustration
Investigating pH and neutralisation.
Guanidine molecule
Nickel II nitrate 6 water on watch glass
Eggshell reacting with hydrochloric acid
Zinc reacting with copper sulphate
Indicator solution in acid
Calcium hydroxide precipitate
Lead hydroxide precipitate
Potassium hydroxide pellets
Close-up of a silver oxide watch battery.
Detecting acid formation
Acid-base indicators
Gibbsite
Litmus solution added to acid
pH measurement of oxide solutions
Potassium dichromate on a watch glass
Potassium dichromate and hazard pictograms
Potassium reacting with water
Container of the food additive E524
Magnesium hydroxide precipitate
Aluminium hydroxide precipitate
Brazilianite crystals
Acid-base titration
Container of the food additive E526
Universal indicator in alkali
Acid and alkali indicators
Universal indicator scale
Universal indicator
Indicator paper in acid
Universal indicator paper in rainwater
Plant acid-base indicator
Sulphuric and ethanoic acid
Reactivity of magnesium
Electrolysis of sodium chloride solution
Container of the food additive E541
Litmus test strip in hydrochloric acid
Reaction of sodium carbonate in acid
Ammonium carbamate molecule
Carbon dioxide test
Precipitation reaction
Iron (II) and (III) precipitates
pH indicators, artwork
pH scale, artwork
Acid/salt reaction
Ammonium hydroxide in bottle
Silver thiosulphate precipitate
Silver chloride precipitate
Smithsonite encrustation
Vinegar with indicator
Universal indicator papers
Universal indicator test on an orange
Calcium reacting with water, later stage
pH in sodium bicarbonate solution
Phosphoric acid molecule
Phosphoric acid mineral acid molecule
Magnesium reacting with acetic acid
Sulphuric acid added to water
Blackcurrant juice indicator
Universal indicator in acid
Bauxite, aluminium ore
Manganese hydroxide precipitate
Zinc hydroxide precipitate
Copper hydroxide precipitate
Iron (II) hydroxide precipitate
Iron (III) hydroxide precipitate
Phenol reactions
Ferulic acid herbal antioxidant molecule
Copper
Citric acid crystals, light micrograph
Carbon dioxide gas
Cobalt chloride crystals
Chloride chemistry
Phosphorus pentachloride hydrolysis
Redox reaction
Copper (I) iodide precipitate
Oxidation of toluene
Apophyllite
Brady's reagent
Iron II sulfate reaction
Marble in different strength acids
Container of the food additive E525
Container of the food additive E528
Colour range of Universal Indicator
Formamide solvent molecule
Red cabbage indicator
Chemistry experiment
Container of the food additive E172
Container of the food additive E527
Goethite
Universal indicator test on a lemon
Marble in acid
Marble in acid demonstration
Aluminium reacting with iodine
Nickel displacing copper
Chromate solutions
Copper (II) oxide
Potassium nitrate crystals
Hazard labels on oven and grill cleaner
Methyl orange in alkali
Sodium chromate solution
Potassium chromate solution
Potassium dichromate solution
Rusted chain
Bromine reaction
Copper sheet in zinc solution
Checking the quality of tap water with a water test kit
Alcohol oxidation
Oxidation of ethanal
Copper sulphate reaction with ammonia
Cyclohexene
Methyl orange in acid
tri-octyl-trimellitate plasticizer
Iron reacting with sulphur