Most popular experiments

Starch and iodine reaction

When a few drops of colorless solution are added to another colorless solution it suddenly turns dark-blue.

Sublimation of iodine

Crystals become a vapor!

Preparation of hydrogen sulphide and its properties

The gas with rotten egg smell is liberated and dissolves in water.

Soap Test for Water Hardness

Different samples of water give various amount of foam and some turn cloudy.

Reaction of Copper with Nitric Acid

Water fountain turns a green solution to a beautiful blue color and makes the brown gas disappear.

A solid-solid reaction lead nitrate and potassium iodide

When two white solid substances are combined together the resulting mixture is yellow.

more popular experiments view all popular experiments

New experiments

Ammonia fountain

Water absorbs ammonia and fills the flask

Instant snow

A huge volume of water is converted into powder

Snowfall in a vial

Have you ever seen an ammonia chloride snowflake?

Silver grows on copper

Silver crystals grow on a copper wire

Ferrocerium firework

Red hot ferrocerium rod gives many sparks

Burning properties of gunpowder

Various types of gunpowder burn differently

more new experiments view all new experiments

Coolest experiments

Explosion of nitrogen triiodide

Special substance explodes on hitting

Pharaoh's snake

A solid substance burns producing a snake-like mass.

Methane mamba

A long bubbly snake grows from a funnel of soapy water, and then it is ignited

Egyptian night

After mixing two colorless solutions nothing happens; however after a few seconds the colourless mixture suddenly turns dark blue

Exploding bubbles of hydrogen

Soap bubble becomes a fireball.

Barking dog

The wave of blue light spreads along the tube filled with carbon disulphide and nitrogen monoxide gases and is accompanied with a barking sound

more cool experiments view all cool experiments

Most dangerous experiments

Exploding bubbles of hydrogen

Soap bubble becomes a fireball.

Pharaoh's snake

A solid substance burns producing a snake-like mass.

Barking dog

The wave of blue light spreads along the tube filled with carbon disulphide and nitrogen monoxide gases and is accompanied with a barking sound

Explosion of nitrogen triiodide

Special substance explodes on hitting

Fire storm

Scattering sparks of fire occur in the flask after adding hot chromium (III) oxide powder

Gummy bear volcano

Gummy bears vigorously burn in a test-tube

more dangerous experiments view all dangerous experiments

Difficult experiments

Electrolytic Bromine

Preparation of one of the most interesting elements - bromine by its precipitation in yellow water solution prepared with electrolysis

Underwater Fireworks

Beautiful sparks are observed when two gases react under water.

Fluorescent Dye

Liquid light is prepared!

Arsenic-based pigments

Beautifully colored precipitates are formed from solutions

Electrolytic preparation of sodium amalgam

Obtainment of substance at the bottom layer by electrolysis, which reacts with water

Sulfuric acid from copper sulfate

Preparation of sulfuric acid by electrolysis using copper sulfate

more difficult experiments view all difficult experiments

Easy experiments

Experiment with phosphorescent sheet

Phosphorescent sheet glows after lighting only by blue and UV light

Carbon from a candle

Carbon obtained from a candle

Pharaoh's snake

A solid substance burns producing a snake-like mass.

Reaction in a Bag

A ziplock bag is inflated by mixing three substances in it

Dissolving in acetone

Dissolving styrofoam in acetone

Qualitative reaction to halide ions

Presence of halide ions causes the formation of curdy precipitates.

more easy experiments view all easy experiments

All experiments

Practicum is the encyclopedia of chemistry experiments.

Practicum is an online database of chemistry experiments that everyone can edit. If you know any chemistry demonstration not listed here you can add it.

Add experiment

Become a member of our chemistry community. Add cool chemistry experiments you know

Add experiment

Most popular experiments

Starch and iodine reaction

Sublimation of iodine

Preparation of hydrogen sulphide and its properties

Soap Test for Water Hardness

Reaction of Copper with Nitric Acid

A solid-solid reaction lead nitrate and potassium iodide

New experiments

Ammonia fountain

Instant snow

Snowfall in a vial

Silver grows on copper

Ferrocerium firework

Burning properties of gunpowder

Coolest experiments

Explosion of nitrogen triiodide

Pharaoh's snake

Methane mamba

Egyptian night

Exploding bubbles of hydrogen

Barking dog

Most dangerous experiments

Exploding bubbles of hydrogen

Pharaoh's snake

Barking dog

Explosion of nitrogen triiodide

Fire storm

Gummy bear volcano

Difficult experiments

Electrolytic Bromine

Underwater Fireworks

Fluorescent Dye

Arsenic-based pigments

Electrolytic preparation of sodium amalgam

Sulfuric acid from copper sulfate

Easy experiments

Experiment with phosphorescent sheet

Carbon from a candle

Pharaoh's snake

Reaction in a Bag

Dissolving in acetone

Qualitative reaction to halide ions

All experiments

Acetone flashlight

Acetylene & Oxygen Explosion

Acid-Base titration

Alcohols and chromium (III) oxide

Alkali metals and air

Alum from soda cans

Practicum is the encyclopedia of chemistry experiments.

Become a member of our chemistry community. Add cool chemistry experiments you know