Why is oxalic acid used to remove rust stains? | #aumsum

Topic: Rust. Why is oxalic acid used to remove rust stains? Hey. You have a beautiful antique lamp. But look. It has a rust stain on it. No. Don’t clean the rust stain with water. Instead, use this oxalic acid. Oxalic Acid. You just don’t want my lamp to be nice and shiny, do you? Read more…

AutoCAD Inserting / Importing Images, Scaling Images, Tracing Images

ok welcome to this tutorial, in this tutorial we will be looking at how to import a drawing into AutoCAD, and how to scale it and how to trace over it, so let’s get started. First thing you need to do is have an image that you want to insert, once you’ve got that ready, Read more…

The Extraction Of Plant Oils | Organic Chemistry | Chemistry | FuseSchool

In this lesson, we will learn about plant oils – where they come from, how to extract them, and their generic structure. Plant oils are obtained from plants. These oils are found in all parts of a plant – seeds, nuts, fruit, leaves, flowers, bark, and even roots. However, these oils must extracted before they Read more…

Hydrocarbon Cracking & Why It Is Done | Organic Chemistry | Chemistry | FuseSchool

In this video you will learn about the process of cracking, how it is carried out and why it is done. From our video on fractional distillation, you should know that crude oil is a mixture of hydrocarbons with different carbon chain lengths. Smaller hydrocarbons have a lower boiling point and are more volatile, making Read more…

Fractional Distillation | Organic Chemistry | Chemistry | FuseSchool

In this video you will learn how fractional distillation separates crude oil into useful fractions. Crude oil is the term used to describe unprocessed oil. That is oil that has been taken directly out of the ground either on land or under the sea. It is an exceptionally valuable resource. It provides us with a Read more…

Block Sanding Primer Do’s and Don’ts

Structure Of The Leaf | Plant | Biology | The FuseSchool

So we know that plants make their own food through photosynthesis. But how does a plant ;0 get together the ingredients it needs for this: sunlight, carbon dioxide and water,:) and then combine them to create glucose and oxygen? Well, that’s what leaves are for! ;[ The leaf is a plant’s food factory—and its parts Read more…