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A GCSE Powerpoint presentation on circle theorems. It covers all of the rules and contains over 200 questions on the topic with answers and worked solutions. I created this resource as there was nothing available as comprehensive and encompassing on one place as this. I publish this under the creative commons licence, and am thankful …

A metal ore is a rock that contains enough of the metal to make it worthwhile extracting. They have to be extracted from their ores through processes such as electrolysis, using a blast furnace or by reacting with more reactive material. In many cases the ore is an oxide of the metal, therefore the extraction of these metals is a reduction ...

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extraction of metals. extraction of metals. Metals can be extracted from their ores by electrolysis. Electrolysis is an expensive method and is used to extract very reactive metals such as aluminium, calcium and sodium. extraction of aluminium. aluminium is extracted from its ore, bauxite (A l 2 O 3 ). +. 983 views • 2 slides

The most reactive metals will react with cold water: Products are a metal hydroxide (forming an alkaline solution) and hydrogen gas. E.g. with potassium: 2K + 2H2O -> 2KOH + H2. Fairly reactive metals react with acids: acid + metal → salt + hydrogen. icklyOnly metal that does not react with any of the above is gold, because it is extremely ...

Method. Add dilute acid into a beaker and heat using a Bunsen burner flame. Add the insoluble metal, base or carbonate, a little at a time, to the warm dilute acid and stir until the base is in excess (i.e. until the base stops disappearing and a suspension of the base forms in the acid) Filter the mixture into an evaporating basin to remove ...

Worksheets and lesson ideas to challenge students aged 11 to 16 to think hard about the extraction of metals (GCSE and Key Stage 3) During the extraction of aluminium the dust from the bauxite mines causes breathing difficulties but the mines bring employment. We can enjoy smartly wrapped chocolate eggs but will need to destroy areas of natural.

At 11–14, students need to understand how metals are extracted, what an ore is, and reduction and oxidation. These worksheets help to build this knowledge, taking the extraction of iron, lead and …

The higher on the reactivity series, the least resistant to oxidation (the gain of electrons) Study with Quizlet and memorize flashcards containing terms like 4.1 Deduce the relative reactivity of some metals, by their reactions with water, acids and salt solutions, 4.2 Explain displacement reactions as redox reactions, in terms of gain or loss ...

Electrolysis - Edexcel Electrolysis of solutions Electrolysis involves using electricity to break down electrolytes to form elements. The products of electrolysis can be predicted for a given ...

A fully resourced lesson for teaching Extracting Metals from GCSE Chemistry Unit 10. Each lesson contains: PowerPoint: Objectives, content broken down and explain with diagrams and illustrations where appropriate, pre-planned ALF questions to check understanding (paired questioning), questions and worked solutions/answers to all …

AI-enhanced description. Marc Rodriguez. Metals form giant metallic structures through metallic bonding where the valence electrons are delocalized across the entire structure and are shared between all the metal atoms. This delocalization of electrons allows the metal atoms to move and shift positions while still maintaining the metallic …

Subject: Mathematics. Age range: 14-16. Resource type: Worksheet/Activity. File previews. pptx, 3.4 . A PPT with Exam questions for revision incl these topics: Area and Circumference of a circle. Arc of a circle. Congruence.

Subject: Mathematics. Age range: 14-16. Resource type: Worksheet/Activity. File previews. pptx, 162.45 KB. A PowerPoint with examples of how to use the quadratic equation, showing what a,b and c are then examples with 2,1 and 0 solutions, then there are some questions. Little 10 question starter on substitution to start.

Age range: 14-16. Resource type: Lesson (complete) File previews. pptx, 2.87 . During this lesson (C5.5 Salts from insoluble bases) GCSE students work through a variety of tasks to develop their understanding of the reaction between an acid and a base. Based on the 5th from the AQA 9-1 GCSE Chemistry (OUP scheme) C5: …

Electrolysis of Aqueous Solutions. Rules: Aqueous solutions will always have water present. Some water molecules split up into hydrogen and hydroxide ions, H + and OH –, which participate in the electrolysis reactions. Positive Electrode. Negatively charged OH – ions and non-metal ions are attracted to the positive electrode.

Singular is bacterium. can break down low-grade ores to produce an acidic close acidic Having a pH lower than 7. solution close solution Mixture formed by a solute and a solvent. containing metal ...

The steps involved in using electrolysis to extract metals are: Obtaining a supply of metal ions in a solution or molten form. Setting up an electrolysis apparatus, which consists of two electrodes, a power source, and a container for the metal ions. Passing an electric current through the metal ions, causing the positive metal ions to be ...

This PowerPoint Presentation covers most of the requirements for the Extraction and Uses of Metals unit for Edexcel IGCSE Chemistry in a clear and coherent manner. ... 5.1 explain how the methods of extraction of the metals in this section are related to their positions in the reactivity series; 5.2 describe and explain the extraction …

This PowerPoint covers content in Topic 4 Extracting Metals and Equilibria from the Pearson Edexcel GCSE (9-1) Chemistry (1CH0) Specification. The …

ppt, 1.73 . ppt, 157 KB. Introducing the reactions of metals and how they have been used to devise the reactivity series. Methods of extraction are not included because I have given them a whole separate lesson. This lesson is 100 min long. The circus of activities is used to pupils can work at their own pace developing their …

AI-enhanced description. E. Erin Mucci. This document provides instructions for extracting DNA from human cheek cells in 3 steps: 1. Adding detergent to cheek cell solution breaks open cell and nuclear membranes, releasing DNA. 2. Adding meat tenderizer enzyme cuts proteins and unwinds DNA strands. 3.

Age range: 14-16. Resource type: Lesson (complete) File previews. pptx, 2.93 . This is a Powerpoint for Electrolysis of Aqueous Solutions which is found in Topic 4: Chemical Changes of GCSE Chemistry and Double Science. This is an excellent resource which will save you time and engage your students. The PPT contains: Clear …

This includes the new Higher-tier material on biological methods of extraction. The resource meets all required specification points for the Edexcel 9-1 GCSE Chemistry course. It is accessible for students, easy to follow for teachers and is appropriate for Combined and Triple Science classes, Foundation and Higher tiers.

The process of extracting a metal often involves removing the oxygen to obtain the pure metal. This is reduction, as it involves the loss of oxygen. So, metal oxides are often reduced to obtain pure metals. Two common examples of oxide ores are: Haematite – Iron ore. Bauxite – Aluminium ore.

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