Q: My wife and I have an outdoor patio built with colored, precast-concrete paving blocks. It doesn't take long each year for black mold and mildew to start growing on it. We also have an issue with ...

Speaker one In this practical we will be making a soluble salt called copper sulfate which is used to treat fungal diseases, such as foot rot in cattle. Speaker two Yep, something I struggle with ...

This outlines one way to carry out the practical using copper(II) oxide powder and dilute sulfuric acid. Eye protection must be worn. 1. Add some dilute sulfuric acid to a small beaker. 2. Add some ...