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

Methane mamba

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

Sand snake

Sugar and baking soda make a black snake.

Hot ice

When crystals touch the liquid surface it rapidly starts freezing.

Tin dendrite

Real time metal crystal growing

Fire storm

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

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

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Most dangerous experiments

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

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

Explosion of nitrogen triiodide

Special substance explodes on hitting

Pharaoh's snake

A solid substance burns producing a snake-like mass.

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Difficult experiments

Fire storm

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

Fluorescent oscillating reaction

A mixture of three solutions periodically changes color and glows in UV

Reaction in air bags

Generation of large amounts of gas under thermal or mechanical influence on sodium azide

Hydrogen chloride fountain

Water quickly flows into the flask and changes color

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.

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Easy experiments

Drinking candle

The water level rises up as the candle burns.

Lemon juice and iodine invisible inks

Message written with lemon juice appears when paper is treated with iodine solution.

Qualitative reaction on iron II

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

Zinc and sulfur

Mixture of zinc and sulfur intensively burns

Chemical cut

When the hand is touched with a blunt knife the fake blood appears

Invisible ink from copper sulfate and ammonia

Copper sulfate solution is used as an invisible ink.

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All experiments

Acetone flashlight

Copper wire glows in acetone vapor

Acetylene & Oxygen Explosion

Explosion of the acetylene-oxygen mixture

Acid-Base titration

One colorless liquid is added gradually to another colorless liquid, and at one moment the solution becomes pink

Alcohols and chromium (III) oxide

Demonstration of the burning of alcohols in presence of chromium (III) oxide

Alkali metals and air

Demonstration of the behavior of alkali metals in air

Alum from soda cans

Obtaining alum from soda cans

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