写真素材の検索結果

Alkali dissolving polyester

Acids react with alkalis producing a salt

Precipitates of transition metal salts

Iron (II) chloride solution

Copper (II) chloride solution

Testing pH

Testing pH

Sodium hydroxide pellets on watch glass

Iron (II) hydroxide precipitation

Iron (III) hydroxide precipitation

Cobalt hydroxide precipitate

Testing pH

Strong alkalis in laboratory bottles

Methyl orange in alkali

Methyl orange in alkali

Universal indicator

Sodium Hydroxide pearl photographed 1:1

Cabbage as pH indicator

Equipment used in a titration.

Sodium hydroxide with hazard pictogram

Positive test for carbon dioxide

Test for carbon dioxide

Household products containing alkalis

Sink unblocker chemical crystals

Sodium hydroxide

pH in sodium bicarbonate solution

pH in sodium bicarbonate solution

Iron (II) chloride on a watch glass

Iron (II) chloride with hazard pictograms

Copper II sulfate

Precipitate of copper (II) chloride in sodium hydroxide

Calcium reacting with water, initial stage

Calcium reacting with water, later stage

Phenolphthalein at pH9.3

Phenolphthalein a single indicator

Methyl orange in acid

Methyl orange in acid

Phenolphthalein a single indicator

Reactivity of magnesium

Reactivity of magnesium

Haloalkane test

Haloalkane test

Haloalkane test

Iron (III) chloride solution

Iron salts in solid and liquid forms

Potassium dichromate

Hazard labels on oven and grill cleaner

Red cabbage indicator

Iron precipitation.

Iron III hydroxide precipitate

Haloalkane test

Solutions of transition metals

Benedict's test for sugar.

Sodium hydroxide added to iron II sulfate

Haloalkane test

Hydroxide precipitates

Hydroxide precipitates

Metal hydroxides

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Drops of mercury

Drops of mercury

Copper (I) chloride with hazard pictograms

Red litmus paper in alkali

Precipitates of transition metals

Digital pH meter

Potassium hydroxide pellets

Petal colour change in basic solution

Litmus pH indicator in acid and basic

Sulfur

Rates of reaction experiment

Iodine clock reaction

Ammonia test

Reading a burette of permanganate

Potassium chromate and silver nitrate

Reading a burette of permanganate

Reading a burette of permanganate

Graduated pipette

Plastic pipette

Measuring jug and bulb pipette

Transferring a reactant into a flask

Bottle and pellets of sodium hydroxide

Silver nitrate test for bromides

Red wine on carpet

Copper (II) sulphate crystals

Magnesium sulfate heptahydrate crystals

Magnesium sulfate heptahydrate crystals

Zinc chloride and zinc sulphate

Container of the chemical element barium

Iron (III) sulfate

Ethanol, molecular model

Propanol, molecular model

Ethanoic acid, molecular model

Model of cyclohexane molecule

Benzene molecule model

Model of benzene molecule

The ammonia test

Positive ammonia test

Poitive ammonia test

Limestone and acid

Osmosis experiment

Potassium reacting with water

Household ammonia with hazard pictogram.

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Biuret reagent test for protein.

Haloalkane test

Haloalkane test

Sodium hydroxide

Silver mirror test

Silver mirror test with Tollens' reagent

Silver mirror test

Silver mirror test

Universal indicator colour range

Universal indicator colour range

Phenolphthalein acid-base indicator

Distillation equipment

Distillation apparatus

Sink unblocker chemical crystals

Copper sulphate precipitate

Nickel hydroxide precipitate

Soap boiling house

Litmus paper test

Sodium reacting with water

Bases

Sodium hydroxide

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Cobalt (II) chloride solution

Ethanal and Brady's reagent

Phenolphthalein a single indicator

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Iron and sulphur

Copper (II) chloride on watch glass

Copper (II) chloride with hazard pictograms

Formation of Lead (II) iodide

Methyl orange

Test for chlorine

Potassium permanganate titration

Potassium permanganate titration

Lithium chloride burns with a bright crimson flame

Sodium chloride burns with a bright yellow flame

Limestone-acid reaction

Drink carbonation system

Decomposition of hydrogen peroxide

Decomposition of hydrogen peroxide

Decomposition of hydrogen peroxide

Copper (I) oxide on a watch glass

Copper (I) oxide with hazard pictograms

Testing for carbon dioxide gas with limewater

Coffee on carpet

Calcium reacting with water

Calcium reacting with water

Testing for carbon dioxide

Mould on bread

Mould on bread

Mould on bread

Barium chloride

Benzene, molecular model

Carbon dioxide test

Carbon dioxide test

Copper-silver metal displacement reaction

Recrystallised rock salt

Magnetising a needle

Electronic laboratory water bath

Using a 'makeshift' calorimeter

Magnesium ribbon in ethanoic acid

De-colourised bromine water

Bromine water test for alkenes

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Reading a burette

Using a 'makeshift' calorimeter

Neodymium

Rhodium

Palladium

Dried starch powder

Dried starch powder

Copper (I) chloride on watch glass

Bromine

Reading a burette

Titrating a reactant from a burette