Topic 3b - Hardness of Water

Introduction

This assignment is about hardness in water and methods for its removal.


When you complete each quiz you will be given a clearance code which you should note down for later use on the clearance page. At the end of the set of quizzes you should print out a copy of the clearance certificate and hand this in to your teacher as proof that you have completed the activity.

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Chemistry Index | Environmental Chemistry Index