Most popular experiments

Starch and iodine reaction

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

Sublimation of iodine

Crystals become a vapor!

Preparation of hydrogen sulphide and its properties

Preparation of hydrogen sulphide and its properties

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

Reaction of Copper with Nitric Acid

Reaction of Copper with Nitric Acid

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

Soap Test for Water Hardness

Soap Test for Water Hardness

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

Reaction of magnesium with concentrated nitric acid

Reaction of magnesium with concentrated nitric acid

When the piece of metal touches the surface of the liquid, evolution of a brown gas begins.

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New experiments

Ammonia fountain

Ammonia fountain

Water absorbs ammonia and fills the flask

Instant snow

Instant snow

A huge volume of water is converted into powder

Snowfall in a vial

Snowfall in a vial

Have you ever seen an ammonia chloride snowflake?

Silver grows on copper

Silver grows on copper

Silver crystals grow on a copper wire

Ferrocerium firework

Ferrocerium firework

Red hot ferrocerium rod gives many sparks

Burning properties of gunpowder

Burning properties of gunpowder

Various types of gunpowder burn differently

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Coolest experiments

Gummy bear volcano

Gummy bear volcano

Gummy bears vigorously burn in a test-tube

Whoosh Bottle

Whoosh Bottle

Alcohol vapors burn with dancing flame and “whoosh” sound.

Сhemical сhameleon

Сhemical сhameleon

Colours change from purple to blue, green and orange

Fire storm

Fire storm

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

Explosion of nitrogen triiodide

Explosion of nitrogen triiodide

Special substance explodes on hitting

Silane from magnesium silicide

Silane from magnesium silicide

Freshly prepared silane reacts vigorously with oxygen

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Most dangerous experiments

Silane from magnesium silicide

Silane from magnesium silicide

Freshly prepared silane reacts vigorously with oxygen

Explosion of nitrogen triiodide

Explosion of nitrogen triiodide

Special substance explodes on hitting

Fire storm

Fire storm

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

Gummy bear volcano

Gummy bear volcano

Gummy bears vigorously burn in a test-tube

Barking dog

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

Pharaoh's snake

Pharaoh's snake

A solid substance burns producing a snake-like mass.

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Difficult experiments

Fluorescent Dye

Fluorescent Dye

Liquid light is prepared!

Arsenic-based pigments

Arsenic-based pigments

Beautifully colored precipitates are formed from solutions

Fire storm

Fire storm

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

Hydrogen chloride fountain

Hydrogen chloride fountain

Water quickly flows into the flask and changes color

Electrolytic preparation of sodium amalgam

Electrolytic preparation of sodium amalgam

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

Potassium chlorate from sodium chloride by electrolysis

Potassium chlorate from sodium chloride by electrolysis

Obtaining potassium chlorate from sodium chloride using electrolysis

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Easy experiments

Magnesium burns in air

Magnesium burns in air

Demonstration of magnesium burning in air

Carbon from a candle

Carbon from a candle

Carbon obtained from a candle

Group 2 metals react with water

Group 2 metals react with water

Demonstration of the reactivity of group 2 metals with water

Qualitative reaction on phosphate ion

Qualitative reaction on phosphate ion

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

Martian rust

Martian rust

Iron nail turns red in a solution of copper salt

Silver acetylide explosive

Silver acetylide explosive

A solid substance explodes under heating.

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All experiments

Acetone flashlight

Acetone flashlight

Copper wire glows in acetone vapor

Acetylene & Oxygen Explosion

Acetylene & Oxygen Explosion

Explosion of the acetylene-oxygen mixture

Acid-Base titration

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

Alcohols and chromium (III) oxide

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

Alkali metals and air

Alkali metals and air

Demonstration of the behavior of alkali metals in air

Alum from soda cans

Alum from soda cans

Obtaining alum from soda cans

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MEL Practicum is an online encyclopedia of chemistry experiments and demonstrations. All experiments are categorized by their level of difficulty, by reagent used and their type. For each experiment, you will find multiple videos, step-by-step instructions, reagents used, safety information, basic science background, links to other online resources, and other related information.

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