250 prompts matching "Paper chromatography and how it is carried out"
Explain back: The role of limestone and the removal of slag
I have just studied the role of limestone and the removal of slag in my SS2 Chemistry clas
Real-life Nigeria: The Ajaokuta steel project and Nigerian steel
Act as my SS2 Chemistry tutor. Show me where the Ajaokuta steel project and Nigerian steel
Explain back: The soap and detergent industry in Nigeria
I have just studied the soap and detergent industry in Nigeria in my SS2 Chemistry class.
Exam practice: Single, double and triple covalent bonds
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Practice set: Giant structures and simple molecular structures compared
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Calculation practice: Predicting a substance's structure from its properties
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Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
You are my personal SS2 Chemistry tutor. Teach me oxidation defined by oxygen, by hydrogen
Quiz me: Recognising oxidation in a given equation
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Practice set: Assigning oxidation numbers in compounds and in ions
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Exam practice: Identifying the species oxidised in a reaction
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Quiz me: Where the metals sit in the periodic table
Act as my SS2 Chemistry tutor and quiz me on where the metals sit in the periodic table. A
Calculation practice: Comparing metals by a density calculation
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Teach me: Ores, and what extraction means
You are my personal SS2 Chemistry tutor. Teach me ores, and what extraction means, using a
Explain back: Extraction by reduction with carbon
I have just studied extraction by reduction with carbon in my SS2 Chemistry class. Let me
Practice set: Extraction by electrolysis
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Quiz me: Where the non-metals sit in the periodic table
Act as my SS2 Chemistry tutor and quiz me on where the non-metals sit in the periodic tabl
Practice set: The chemical behaviour of metals and non-metals compared
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Calculation practice: Predicting a non-metal's valency from its group
Act as my SS2 Chemistry tutor. Walk me through predicting a non-metal's valency from its g
Teach me: The oxides of non-metals and their acidic nature
You are my personal SS2 Chemistry tutor. Teach me the oxides of non-metals and their acidi
Quiz me: Strong electrolytes and weak electrolytes compared
Act as my SS2 Chemistry tutor and quiz me on strong electrolytes and weak electrolytes com