Creative Problem Solving in Chemistry - Detergency

Explain two observations related to the production of a jelly-like solid when two detergents were used in combination.

Project
Nanoparticles in sunscreen challenge | Chemistry for All project | 14–16 years
Make your own sunscreen and determine its SPF using UV light transmission
Project
Hard water challenge | Chemistry for All project | 14–16 years
Investigate the relationship between the concentration of calcium ions and the ‘hardness’ of water
Project
Chemistry at the crime scene investigation | Chemistry for All project | 11–14 years
This forensic science project uses chemical analysis and observation skills to investigate a crime and solve the case

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Resource
The aspirin story | 16–18 years
Find out about the discovery and use of aspirin with this research and presentation task for groups of 16–18 year-old learners
Resource
Thin-layer chromatography and analgesics | 16–18 years
Explore the use of painkillers and their other effects: antipyretic, anti-inflammatory and antirheumatic. Includes kit list and safety instructions.
Resource
The preparation of 2-hydroxybenzoic acid | 16–18 years
Heat, react, convert and separate oil of wintergreen to create 2-hydroxybenzoic acid. Includes kit list and safety instructions.