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.

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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

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Coolest experiments

Colored alcohol flames

Create beautifully colored flames by burning alcohol with various additions

Gummy bear volcano

Gummy bears vigorously burn in a test-tube

Sand snake

Sugar and baking soda make a black snake.

Golden rain

Beautiful crystals of bright yellow colour are formed under cooling.

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

Exploding bubbles of hydrogen

Soap bubble becomes a fireball.

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Most dangerous experiments

Gummy bear volcano

Gummy bears vigorously burn in a test-tube

Fire storm

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

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

Silane from magnesium silicide

Freshly prepared silane reacts vigorously with oxygen

Pharaoh's snake

A solid substance burns producing a snake-like mass.

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Difficult experiments

Electrolytic preparation of sodium amalgam

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

Arsenic-based pigments

Beautifully colored precipitates are formed from solutions

Electrolytic Bromine

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

Sulfuric acid from copper sulfate

Preparation of sulfuric acid by electrolysis using copper sulfate

Flag in a test tube

The two-layer liquid divides into three layers and changes its color.

Hydrogen chloride fountain

Water quickly flows into the flask and changes color

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Easy experiments

Acetone flashlight

Copper wire glows in acetone vapor

Qualitative reaction on iron II

Presence of Fe(II) ions causes the formation of precipitates.

Antimony burns in chlorine

A bottle fills with thick white smoke with a beautiful rain of fire

Qualitative reaction on phosphate ion

Presence of phosphate ions causes the formation of a yellow precipitate.

Zinc and sulfur

Mixture of zinc and sulfur intensively burns

Orange Flash

Orange oil is used to produce flashes.

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All experiments

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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

Colored alcohol flames

Gummy bear volcano

Sand snake

Golden rain

Barking dog

Exploding bubbles of hydrogen

Most dangerous experiments

Gummy bear volcano

Fire storm

Exploding bubbles of hydrogen

Barking dog

Silane from magnesium silicide

Pharaoh's snake

Difficult experiments

Electrolytic preparation of sodium amalgam

Arsenic-based pigments

Electrolytic Bromine

Sulfuric acid from copper sulfate

Flag in a test tube

Hydrogen chloride fountain

Easy experiments

Acetone flashlight

Qualitative reaction on iron II

Antimony burns in chlorine

Qualitative reaction on phosphate ion

Zinc and sulfur

Orange Flash

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