Chemistry Experiments

95 experiment protocols with step-by-step instructions

All Categories Flame Tests Titrations Electrochemistry Organic Synthesis Crystallization Gas Laws Thermochemistry Qualitative Analysis Colorimetry Classroom Demonstrations
All Levels Beginner (Middle School) Intermediate (High School) Advanced (University) Professional (Lab)

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Calcium Flame Test

Identifying calcium by its orange-red flame

Observe the brick-red to orange-red flame produced by calcium ions, a common element found in limestone, marble, and bones.

Flame Tests · Beginner (Middle School) · 15 min · 4 steps

Copper Flame Test

Identifying copper by its blue-green flame

Observe the characteristic blue-green flame produced by copper(II) ions, one of the most visually striking flame tests.

Flame Tests · Beginner (Middle School) · 15 min · 5 steps

Lithium Flame Test

Identifying lithium by its crimson-red flame

Observe the characteristic crimson-red flame color produced by lithium ions, and compare it to other alkali metal flame tests.

Flame Tests · Beginner (Middle School) · 15 min · 5 steps

Potassium Flame Test

Identifying potassium by its lilac/violet flame

Observe the lilac/violet flame color produced by potassium ions, and learn to use cobalt blue glass to distinguish it from …

Flame Tests · Beginner (Middle School) · 20 min · 5 steps

Sodium Flame Test

Identifying sodium by its bright yellow flame

Observe the characteristic bright yellow flame produced when sodium compounds are heated, demonstrating how metal ions produce specific flame colors.

Flame Tests · Beginner (Middle School) · 15 min · 6 steps

Strontium Flame Test

Identifying strontium by its scarlet-red flame

Observe the bright scarlet-red flame produced by strontium ions, commonly used in red fireworks and emergency flares.

Flame Tests · Beginner (Middle School) · 15 min · 5 steps