Chemical Reactivity


91166 Reactivity checklist

Last minute reminders / at a glance sheets

Last minute Reactivity reminders

91166 Rates, equilibrium, acids and bases and pH - a page on each

Acids and Bases

Acids & Bases Notes

At a glance - Comparing Strong and Weak Acids & Bases notes


91166 Equilibrium notes

Rates of reaction

Rates of reaction notes

Collated questions

Collated Rates of reaction questions (from expired AS 90310 and new AS 91166) - updated to 2017

91166 Collated Equilibria questions and answers (2013-2018) UPDATED TO INCLUDE 2018

Collated Equilibria questions (from expired AS 90310)

Collated Equilibria answers (from expired AS 90310)

91166 Collated Acids, bases & pH questions (2013-2018) .No answers here - will need to look HERE.

Assorted collated Acids, bases & pH questions (from 2012 and the expired AS 90310 - still valid)Answers


91166 Reactivity flashcards new(revised in 2020)


91164 / 91166 Assorted Calculations (energy, Kc & pH)

Older resources - still relevant

Collated Equilibria Questions (from expired AS 90310 and new AS 91166) - Kc and calculations only; Hints included.

pH calculation notes (from expired AS 90310 but still 100% relevant to AS 91166)

pH calculation help PowerPoint

Recent Posts

January 1 2017

2017 A New Look

We had a bit of time so we thought we would give the site a refresh.

December 12 2016

Happy Holidays

2016 Exams are over. Time for a break - happy holidays all.

May 28 2011

This page was first added on 28/5/2011. We will try and keep a list of our newest additions to each page, to help you so look back regularly! It's lovely to get feedback and/or suggestions from our users.




We have been really impressed with the number of people who want to contribute material so we have created a page for contributions.