Pure Silicon Dioxide from Sand

Introduction

Quartz is the second most common mineral in the surface of our planet. It also happens to be a crystalline form of Silicon Dioxide. The most common component of sand happens to be quartz. In this experiment we’re going to take sand, something everyone can get their hands on, and turn it into pure Silicon Dioxide that can be used in future chemical experiments.

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Chemical Chameleon

Introduction

The Chemical Chameleon is a very interesting and beautiful demo to perform. You start with a purple solution and a colorless one. Once you add them together, you get green then yellow. Not as striking as oscillation reactions (in my opinion) but still a very beautiful demo.

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