250 prompts matching "Exam practice: The test that distinguishes carbon dioxide"
Practice set: Giant structures and simple molecular structures compared
Act as my SS2 Chemistry tutor. Give me five practice questions on giant structures and sim
Real-life Nigeria: Alloys, and the reasons they are made
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Explain back: The rules for assigning oxidation numbers
I have just studied the rules for assigning oxidation numbers in my SS2 Chemistry class. L
Practice set: Assigning oxidation numbers in compounds and in ions
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Practice set: Balancing a redox equation by half-equations
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Teach me: The general physical properties of metals
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Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Practice set: Extraction by electrolysis
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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Teach me: The general physical properties of non-metals
You are my personal SS2 Chemistry tutor. Teach me the general physical properties of non-m
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
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
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Teach me: The oxides of non-metals and their acidic nature
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Explain back: The preparation and properties of chlorine
I have just studied the preparation and properties of chlorine in my SS2 Chemistry class.
Teach me: The electrolytic cell and the parts it is made of
You are my personal SS2 Chemistry tutor. Teach me the electrolytic cell and the parts it i
Explain back: The preferential discharge of ions
I have just studied the preferential discharge of ions in my SS2 Chemistry class. Let me e