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Topic C7: Practical skills has 1 subtopic:
- Practical activity skills
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GCSE OCR Higher Chemistry · Topic 7 of 7
Topic C7: Practical skills – GCSE OCR Higher Chemistry revision notes
Choose a subtopic. Topic C7: Practical skills covers Practical activity skills in GCSE OCR Higher Chemistry. 15 lessons in 1 subtopic.
Revise Topic C7: Practical skills for GCSE OCR Higher Chemistry, including Practical activity skills. 15 lessons across 1 subtopic.
15
Lessons
1
Subtopics
Topic C7: Practical skills lessons by subtopic
15 lessons, grouped by subtopic.
Practical activity skills
- Understanding Exothermic and Endothermic Reactions
- Examples and Applications of Energy Transfer Reactions
- Flame Tests for Metal Ion Identification
- What affects how fast reactions happen?
- Paper Chromatography - Principles and Applications
- Chromatogram Analysis and Rf Values
- How metals are found and extracted
- Reduction and oxidation in metal extraction
- Evaluating metal extraction processes
- Predicting Products in Aqueous Electrolysis
- Products at the Cathode and Anode
- Understanding the pH Scale
- Acids, Alkalis and Neutralisation
- Introduction to Titrations
- Titration Calculations
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Frequently asked questions
What is Topic C7: Practical skills?
Topic C7: Practical skills covers Practical activity skills in GCSE OCR Higher Chemistry. 15 lessons in 1 subtopic.
What is a chromatogram?
A chromatogram is the pattern of separated substances produced by chromatography, showing spots at different distances from the origin. The Chromatogram Analysis and Rf Values notes cover this in full.
What are examples of endothermic reactions?
Examples of endothermic reactions include thermal decomposition, such as calcium carbonate breaking down into calcium oxide and carbon dioxide, and citric acid reacting with sodium hydrogencarbonate. The Examples and Applications of Energy Transfer Reactions notes cover this in full.
What is a titration?
A titration is a quantitative analytical technique where a solution of accurately known concentration is added to a solution of unknown concentration until the reaction between them is just complete. The Introduction to Titrations notes cover this in full.
What is combustion?
Combustion is the reaction of a fuel with oxygen that releases energy as heat and light. The Examples and Applications of Energy Transfer Reactions notes cover this in full.
How do you calculate an Rf value?
Rf = distance moved by substance ÷ distance moved by solvent, both measured from the origin. The Chromatogram Analysis and Rf Values notes cover this in full.
What are examples of exothermic reactions?
Examples of exothermic reactions include the combustion of fuels such as methane, oxidation reactions such as iron rusting, and neutralisation of acids and bases. The Examples and Applications of Energy Transfer Reactions notes cover this in full.
What colour change does methyl orange show?
Methyl orange is red in acid and yellow in alkali, with a sharp colour change at the end point. The Introduction to Titrations notes cover this in full.
What are the flame test colours?
The flame test colours are lithium crimson, sodium yellow, potassium lilac, calcium orange-red and copper green. The Flame Tests for Metal Ion Identification notes cover this in full.