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Chemistry

Element, Mixture, Compound

By TeachEngineering - Youtube.com

Students gain a better understanding of the different types of materials as pure substances and mixtures and learn to distinguish between homogeneous and heterogeneous mixtures by discussing an assortment of example materials they use and encounter in their daily lives.

Compressing Air

By Alexis Rizk - Youtube.com

Can air be compressed? What's the use of compressing Air? Watch to find out!

GCSE Chemistry - Fractional Distillation and Simple Distillation

By Cognito - Youtube.com

In this video we'll learn:

- The process of simple distillation
- The process of fractional distillation
- How simple and fractional distillation differ

Testing for Cations

By BGSS Sciece - Youtube.com

A production by Bedok Green Secondary School Science Department.

At the end of this video, students will be able to:

(a) describe the use of aqueous sodium hydroxide and aqueous ammonia to identify the following aqueous cations: aluminium (excluded in Sc(Chem) syllabu), ammonium, calcium, copper(II), iron(II), iron(III), lead(II) and zinc

Making Silver Chloride

By stephenstephenlow - Youtube.com

Precipitation of an Insoluble Salt (silver chloride)

Crystallisation 1 - Copper II Oxide and Dilute Sulphuric Acid

By Ong SK 1984 - Youtube.com

Crystallization of Soluble Salt with a dilute acid and excess solid reagent (copper (II) sulfate)

Group 1 - Alkali Metals

By OpenLearn from The Open University - Youtube.com

Why are the Group 1 Metallic Elements called Alkali Metals in the Periodic Table?

How Small is an Atom?

By Jared Owen - Youtube.com

The size of an atom is only a few angstroms at most - there are 10 billion angstroms in 1 meter. This video also goes the basic parts of an atom (protons, neutrons, and electrons) and why the traditional model of the atom is not correct. Electrons are unpredictible - we can't know the path that they travel. Most importantly - they don't orbit the nucleus.

Sublimation and Deposition of Iodine

By Wayln Breslyn - Youtube.com

Iodine provides an excellent example of sublimation. When iodine sublimes it forms a visible purple gas. When the gas cools it returns directly to the solid phase, an example of deposition.

GCSE Science Revision - Fractional Distillation

By Jam JarMMX - Youtube.com

Testing for Anions

By Ong SK 1984 - Youtube.com

Testing for anions: carbonate, sulfate, chloride, iodide and nitrate

Neutralisation Titration - GCSE Science Required Practical (Triple)

By Malmesbury Education - Youtube.com

Mrs Peers-Dent shows you how to accurately calculate the concentration of an acid using titration.

Group 7 - The Halogens

By Curly Arrow Chemistry - Youtube.com

What are the Group 7 Non-Metallic Elements called Halogens in the Periodic Table?

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