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Resources

Useful resources for DSE students.

Planet Earth

Chemical Tests for Ions & Gases

Identify water, chloride ions, carbonate ions, and common gases

Electrolysis of Brine

Investigate the products of electrolyzing concentrated sodium chloride solution

Identify the presence of metal ions through their characteristic flame colors

Fractional Distillation of Liquid Air

Separate components of air based on their boiling points

Extraction of Common Salt and Isolation of Pure Water from Sea Water

Use filtration, evaporation, crystallization, and distillation to obtain common salt and pure water from sea water

The Limestone Cycle

Explore the transformations between limestone, quicklime, slaked lime, and limewater

Microscopic World I

Atomic Structure

Build atoms and understand subatomic particles, isotopes, and electronic arrangement

Chemical Bonding

Visualize ionic and covalent bonding through dot-and-cross diagrams

The Periodic Table

Explore trends and properties of elements in Groups I, II, VII, and 0

Metals

Corrosion and Prevention

Study the conditions for rusting and investigate various prevention methods

Extraction of Metals

Extract silver, copper, and iron from their oxides using different methods

Reactivity Series

Compare the reactivity of different metals with water and acids

Acids and Bases

Acid-Base Titration

Perform a precise titration to determine unknown concentration of a solution

Fossil Fuels and Carbon Compounds

Addition Polymerization

Visualize how monomers join to form long-chain polymers

Alkanes vs Alkenes

Compare the chemical properties and reactions of saturated and unsaturated hydrocarbons

Catalytic Cracking

Break down large hydrocarbon molecules into smaller, more useful ones

Fractional Distillation of Petroleum

Separate crude oil into useful fractions based on boiling point ranges

Microscopic World II

Intermolecular Forces

Explore Van der Waals' forces and Hydrogen bonding

Molecular Polarity

Investigate the effect of a charged rod on different liquid streams

Molecular Shapes

Visualize molecular geometry using VSEPR theory

Redox Reactions, Chemical Cells and Electrolysis

Compare different types of chemical cells and understand their working principles

Factors Affecting Electrolysis

Investigate how concentration and electrode nature affect the products of electrolysis

Rate of Reaction

Factors affecting reaction rates and collision theory

Redox Reactions

Balance redox equations with the ion-electron method and observe displacement reactions

Chemical Equilibrium

Le Chatelier's Principle

Investigate how changes in concentration and temperature affect chemical equilibrium

Chemistry of Carbon Compounds

Synthesize an ester from a carboxylic acid and an alcohol

Functional Group Identification

Use chemical tests to identify various organic functional groups

Isomerism Explorer

Visualize structural isomers and stereoisomers

Organic Synthesis Path

Design synthesis routes to convert organic compounds

Patterns in the Chemical World

Periodicity Explorer

Explore trends in atomic radius, ionization energy, and electronegativity across Period 3

Industrial Chemistry

Chloroalkali Industry

Compare simple brine electrolysis with membrane cells for chlorine, hydrogen, and sodium hydroxide

Contact Process

Optimize temperature and pressure to balance sulfur trioxide yield and reaction rate

Green Chemistry Principles

Calculate atom economy and compare different synthesis routes

Optimize temperature and pressure to balance ammonia yield and reaction rate

Materials Chemistry

Condensation Polymerization

Learn how polyesters and polyamides are formed with the loss of small molecules

Metal Crystal Structures

Visualize and compare BCC, FCC, and HCP crystal lattices in metals

Nanomaterials & Surface Area

Explore how surface area to volume ratio changes at the nanoscale

Analytical Chemistry

Determine the concentration of a colored substance using absorbance measurements

Qualitative Analysis

Systematically identify unknown cations and anions using chemical tests

Redox Titration

Determine the concentration of Fe²⁺ using potassium permanganate

Spectroscopy Interpretation

Identify organic compounds using Infrared (IR) and Mass Spectrometry (MS) data

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