Chemistry Experiments

95 experiment protocols with step-by-step instructions

Difficulty	≤15 min	≤30 min	≤60 min	60+ min
Beginner (Middle School)	1	1	1	1
Intermediate (High School)	0	1	1	1
Advanced (University)	0	1	1	1
Professional (Lab)	0	0	0	1

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Anion Identification Tests

Detecting common anions through selective chemical reactions

Identify unknown anions using specific precipitation, acid-decomposition, and redox tests.

Identifying transition metals by colored glass beads formed in a borax fusion

Identify transition metal ions by the characteristic colors they produce when fused into a borax (sodium tetraborate) glass bead.

Systematic separation of Group I–V cations using selective reagents

Identify unknown cations in a solution using the classical qualitative analysis scheme with group reagents.

Separating chlorophyll and carotenoids using paper chromatography

Separate and identify plant pigments using paper chromatography, and calculate Rf values for each pigment.

Using physical and chemical properties to identify mystery powders

Apply multiple qualitative tests to identify unknown white powders, developing systematic analytical thinking skills.