Best Chemistry IA Ideas in 2025 | Sorted by Major and Topic

2. Dentistry

• Investigating the effect of fluoride on the hardness of tooth enamel
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.7 (Acids react with bases in neutralization reactions)
• Comparing the pH levels of various mouthwashes and their effects on tooth enamel
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.4 (The pH scale and its relationship with [H+])
• Investigating the corrosion of dental amalgams in acidic environments
  • Sub-topic: Reactivity 3.2 (Electron transfer reactions)
  • Syllabus Point: Reactivity 3.2.1 (Oxidation and reduction can be described in terms of electron transfer)
• Testing the effectiveness of different toothpaste brands in preventing acid erosion
  • Sub-topic: Structure 2.2 (The covalent model)
  • Syllabus Point: Structure 2.2.8 (Intermolecular forces)
• The role of calcium ions in remineralization of tooth enamel
  • Sub-topic: Structure 2.2 (The covalent model)
  • Syllabus Point: Structure 2.2.8 (Intermolecular forces)
• Comparing the fluoride content in different toothpaste brands using an ion-selective electrode
  • Sub-topic: Structure 3.2 (Functional groups: Classification of organic compounds)
  • Syllabus Point: Structure 3.2.1 (Identification of functional groups)
• Investigating the pH changes in saliva before and after consuming acidic drinks
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.4 (The pH scale and its relationship with [H+])
• Analyzing the effect of tooth whitening agents on enamel microhardness
  • Sub-topic: Structure 2.2 (The covalent model)
  • Syllabus Point: Structure 2.2.8 (Intermolecular forces)
• Investigating the effectiveness of fluoride treatments in preventing tooth decay
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.7 (Acids react with bases in neutralization reactions)
• Comparing the abrasiveness of different toothpaste formulations
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)

3. Engineering

• Investigating the impact of temperature on the efficiency of catalysts in industrial processes
  • Sub-topic: Reactivity 2.2 (How fast? The rate of chemical change)
  • Syllabus Point: Reactivity 2.2.5 (Catalysts and reaction rates)
• Analyzing corrosion rates in different metals in acidic solutions
  • Sub-topic: Reactivity 3.2 (Electron transfer reactions)
  • Syllabus Point: Reactivity 3.2.1 (Oxidation and reduction can be described in terms of electron transfer)
• The effect of pressure on reaction rates in a gas-phase reaction (e.g., Haber Process)
  • Sub-topic: Reactivity 2.3 (How far? The extent of chemical change)
  • Syllabus Point: Reactivity 2.3.4 (Le Châtelier’s principle)
• Investigating the tensile strength of different polymers
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)
• Evaluating the thermal conductivity of various building materials
  • Sub-topic: Structure 2.3 (The metallic model)
  • Syllabus Point: Structure 2.3.1 (Metallic bonding)
• The effect of alloy composition on their mechanical properties
  • Sub-topic: Structure 2.3 (The metallic model)
  • Syllabus Point: Structure 2.3.3 (Properties of transition elements)
• Investigating the efficiency of biodiesel production using different types of catalysts
  • Sub-topic: Structure 3.2 (Functional groups: Classification of organic compounds)
  • Syllabus Point: Structure 3.2.2 (Functional groups and their reactions)
• Analyzing the effectiveness of corrosion inhibitors in metal protection
  • Sub-topic: Reactivity 3.2 (Electron transfer reactions)
  • Syllabus Point: Reactivity 3.2.1 (Oxidation and reduction can be described in terms of electron transfer)
• The impact of annealing on the hardness of metals
  • Sub-topic: Structure 2.3 (The metallic model)
  • Syllabus Point: Structure 2.3.2 (Strength of metallic bonds)
• Investigating the properties of smart materials like shape-memory alloys
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)

4. Environmental Science

• Investigating the effect of heavy metals on water quality using colorimetric analysis
  • Sub-topic: Reactivity 3.2 (Electron transfer reactions)
  • Syllabus Point: Reactivity 3.2.3 (Reactivity of metals with aqueous metal ions)
• The impact of acid rain on soil pH and nutrient availability
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.7 (Acids react with bases in neutralization reactions)
• Evaluating the effectiveness of various household water filtration methods
  • Sub-topic: Structure 2.2 (The covalent model)
  • Syllabus Point: Structure 2.2.10 (Chromatography)
• Investigating the biodegradability of different types of plastics under simulated environmental conditions
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)
• Analyzing the effects of nitrogen-based fertilizers on algal blooms in aquatic systems
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.4 (The pH scale and its relationship with [H+])
• Investigating the effects of oil pollution on the solubility of oxygen in water
  • Sub-topic: Structure 2.2 (The covalent model)
  • Syllabus Point: Structure 2.2.8 (Intermolecular forces)
• The impact of pH on the solubility and mobility of heavy metals in soil
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.4 (The pH scale and its relationship with [H+])
• Comparing the degradation rates of organic vs. conventional farming pesticides
  • Sub-topic: Structure 3.2 (Functional groups: Classification of organic compounds)
  • Syllabus Point: Structure 3.2.2 (Functional groups and their reactions)
• Investigating the chemical changes in soil composition due to composting
  • Sub-topic: Structure 3.2 (Functional groups: Classification of organic compounds)
  • Syllabus Point: Structure 3.2.3 (Homologous series and their properties)
• Analyzing the effectiveness of catalytic converters in reducing car emissions
  • Sub-topic: Reactivity 2.2 (How fast? The rate of chemical change)
  • Syllabus Point: Reactivity 2.2.5 (Catalysts and reaction rates)

5. Pharmaceutical Sciences

• Investigating the stability of common pharmaceutical compounds under various storage conditions
  • Sub-topic: Structure 3.2 (Functional groups: Classification of organic compounds)
  • Syllabus Point: Structure 3.2.1 (Identification of functional groups)
• Comparing the effectiveness of different preservatives in extending the shelf life of pharmaceutical solutions
  • Sub-topic: Structure 3.2 (Functional groups: Classification of organic compounds)
  • Syllabus Point: Structure 3.2.2 (Functional groups and their reactions)
• The role of pH in the solubility and absorption of weak acid drugs
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.6 (Strong and weak acids and bases differ in the extent of ionization)
• Investigating the dissolution rates of various tablet coatings
  • Sub-topic: Reactivity 2.2 (How fast? The rate of chemical change)
  • Syllabus Point: Reactivity 2.2.3 (Factors that influence the rate of a reaction)
• The effect of temperature on the stability of vitamin C in pharmaceutical formulations
  • Sub-topic: Structure 3.2 (Functional groups: Classification of organic compounds)
  • Syllabus Point: Structure 3.2.3 (Homologous series and their properties)
• Analyzing the interaction between common over-the-counter drugs and food acids
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.6 (Strong and weak acids and bases differ in the extent of ionization)
• Investigating the solubility of drugs in different solvents
  • Sub-topic: Structure 2.2 (The covalent model)
  • Syllabus Point: Structure 2.2.8 (Intermolecular forces)
• The role of buffering agents in maintaining the pH of pharmaceutical solutions
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.7 (Acids react with bases in neutralization reactions)
• Comparing the effectiveness of different antacids in neutralizing stomach acid
  • Sub-topic: Reactivity 3.1 (Proton transfer reactions)
  • Syllabus Point: Reactivity 3.1.7 (Acids react with bases in neutralization reactions)
• Investigating the effect of different light wavelengths on the degradation of pharmaceutical compounds
  • Sub-topic: Structure 3.2 (Functional groups: Classification of organic compounds)
  • Syllabus Point: Structure 3.2.9 (Infrared spectra for bond identification)

6. Biomedical Engineering

• Investigating the chemical properties of biomaterials used in medical implants
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)
• Comparing the degradation rates of different biodegradable polymers used in medical implants
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)
• The impact of sterilization methods on the mechanical properties of medical implants
  • Sub-topic: Reactivity 3.2 (Electron transfer reactions)
  • Syllabus Point: Reactivity 3.2.1 (Oxidation and reduction can be described in terms of electron transfer)
• Investigating the role of pH in drug release from polymeric drug delivery systems
  • Sub-topic: Structure 2.2 (The covalent model)
  • Syllabus Point: Structure 2.2.8 (Intermolecular forces)
• Comparing the effectiveness of different hydrogels used in wound dressings
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)
• Analyzing the role of surface coatings on the biocompatibility of implants
  • Sub-topic: Structure 2.3 (The metallic model)
  • Syllabus Point: Structure 2.3.3 (Properties of transition elements)
• Investigating the impact of different temperatures on the degradation of drug-eluting stents
  • Sub-topic: Reactivity 2.2 (How fast? The rate of chemical change)
  • Syllabus Point: Reactivity 2.2.3 (Factors that influence the rate of a reaction)
• The effect of cross-linking on the mechanical properties of hydrogels used in tissue engineering
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)
• Analyzing the role of antimicrobial coatings on the prevention of infection in medical devices
  • Sub-topic: Structure 2.2 (The covalent model)
  • Syllabus Point: Structure 2.2.8 (Intermolecular forces)
• Investigating the properties of nano-materials used in targeted drug delivery systems
  • Sub-topic: Structure 2.4 (From models to materials)
  • Syllabus Point: Structure 2.4.4 (Polymers: Natural and synthetic)

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