240 prompts matching "Exam practice: Preparing an insoluble salt by precipitation"
Explain back: Malleability and ductility in terms of structure
I have just studied malleability and ductility in terms of structure in my SS2 Chemistry c
Real-life Nigeria: Alloys, and the reasons they are made
Act as my SS2 Chemistry tutor. Show me where alloys, and the reasons they are made turns u
Spot my mistake: Assigning an oxidation number without checking the overall charge
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Quiz me: Identifying the oxidising agent and the reducing agent
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Explain back: Why oxidation and reduction always occur together
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Chemistry at work: Redox reactions in batteries and cells
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on redox
Explain back: Why metals conduct heat and electricity
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Spot my mistake: Assuming every metal is hard and dense
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Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Quiz me: The link between reactivity and the method of extraction
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Explain back: Extraction by reduction with carbon
I have just studied extraction by reduction with carbon in my SS2 Chemistry class. Let me
Real-life Nigeria: Nigeria's metal deposits and their exploitation
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Explain back: The allotropes shown by some non-metals
I have just studied the allotropes shown by some non-metals in my SS2 Chemistry class. Let
Calculation practice: Predicting a non-metal's valency from its group
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Chemistry at work: Metalloids, and where they sit between the two
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on metall
Explain back: The preparation and properties of chlorine
I have just studied the preparation and properties of chlorine in my SS2 Chemistry class.