NCEA Level 2 CHEMISTRY

Chemical Reactivity

Overview

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

Equilibria

91166 Equilibrium notes

Rates - watch this space for updates!

Rates of reaction notes (AS 91166 (2012-2017) and from expired AS 90310 but still relevant)

Collated questions

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

91166 Collated Equilibria questions and answers (2013-2017)new

Collated Equilibria Questions (from expired AS 90310)

Collated Equilibria Answers (from expired AS 90310)

91166 Collated Acids, bases & pH Questions (2013-2017) No answers yet.new

Collated Acids, bases & pH Questions (from 2012 and the expired AS 90310 - still valid)

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

Flashcards

91166 Reactivity flashcards

Misc

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

old_nb2s
January 1 2017

2017 A New Look

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

deer
December 12 2016

Happy Holidays

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

oldest_nb2s
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.

Spotlight

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Contributions

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