Acid–Base Titration
Volumetric Analysis
Find unknown acid/base concentration with a standard solution and indicator.
Teacher sign inExperiments
Pick a subject, open a lab, and watch ideas move.
18 experiments
pH of Common Substances
Equilibrium & pH
Compare everyday acids and bases on the pH scale.
Teacher sign inAcid–Base Indicators
Volumetric Analysis
Watch phenolphthalein and methyl orange change with pH.
Teacher sign inDetection of Anions
Qualitative Analysis
Group tests for carbonate, sulphate, chloride, nitrate and more.
Teacher sign inDetection of Cations
Qualitative Analysis
Identify cations with NaOH, NH₃ and confirmatory reagents.
Teacher sign inFlame Tests
Qualitative Analysis
Identify metal ions by flame colour: Na, K, Cu, Ca.
Teacher sign inElectrolysis of Water
Electrochemistry
Split water into H₂ and O₂ at the electrodes — volume ratio 2:1.
Teacher sign inElectrolysis of Copper(II) Sulphate
Electrochemistry
Copper deposits at the cathode; solution colour fades — plating & refining.
Teacher sign inGalvanic (Voltaic) Cell
Electrochemistry
Zn–Cu cell: electron flow and voltage from a spontaneous redox reaction.
Teacher sign inFaraday's Laws of Electrolysis
Electrochemistry
Relate deposited mass to current and time via Faraday’s equivalent.
Teacher sign inLe Chatelier's Principle
Chemical Equilibrium
Watch equilibrium shift when concentration, heat, or pressure changes.
Teacher sign inFactors Affecting Reaction Rate
Reaction Kinetics
Test concentration, temperature, surface area, and catalyst on rate.
Teacher sign inExothermic & Endothermic Reactions
Energy & Reactions
Measure temperature change to tell exothermic from endothermic.
Teacher sign inSolubility Curve
Solutions & Solubility
Plot salt solubility vs temperature — saturation and crystallization.
Teacher sign inSalt Preparation & Crystallization
Salt Preparation
Make a salt from acid + base, then crystallize by evaporating & cooling.
Teacher sign inWater of Crystallization
Gravimetric Analysis
Heat a hydrate and find n in the formula from mass loss.
Teacher sign inSimple Distillation
Separation Techniques
Separate liquids by boiling point and collect the distillate.
Teacher sign inMolarity & Dilution
Chemical Calculations
Prepare known molar solutions and apply M₁V₁ = M₂V₂.
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