The following table shows the colour changes and change ranges for four indicators:
Colour changes and change ranges for four indicators
In changing from yellow to blue, the first indicator goes through green between pH 6.0 and 7.6, the second indicator goes through purple from pH 5.0 to 8.0 while the third goes through orange from pH 3.1 to 4.4. The fourth indicator goes from colourless through pink to red/bright pink from pH 8.3 to 10.0.
Production of Materials Revision
The Acidic Environment Revision
Chemical Monitoring and Management Revision
Shipwrecks, Corrosion and Conservation Revision
BOS HSC Resources
Standards Packages
HSC Online Multiple Choice
Past HSC Examinations including Marking Schemes and Notes (ie, examiners comments)
HSC Command Terms
Tips on preparing for the exam - first-hand investigations too!
Other resources
Nuclear stability
http://www.kentchemistry.com/links/Nuclear/BandStability.htm
the 1.518:1 ratio stated:
http://chemed.chem.wisc.edu/chempaths/GenChem-Textbook/Nuclear-Stability-748.html
Sample Q`s:
http://wps.prenhall.com/wps/media/objects/3313/3392670/blb2102.html
Indicators - colour ranges
Website of practise worksheets
Monitoring and management practice questions
Exam practice
Games
HSC Half-Yearly Review Jeopardy Game
http://jeopardylabs.com/play/year-12-hsc-chemistry-review