221 prompts matching "Expecting boiling to remove permanent hardness"
Practice set: Turning pig iron into steel in the converter
Act as my SS2 Chemistry tutor. Give me five practice questions on turning pig iron into st
Spot my mistake: Describing limestone as the reducing agent
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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Quiz me: The raw materials Nigeria supplies to its own industries
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Real-life Nigeria: The SS2 Chemistry topics I still need to practise
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Quiz me: The formation of an ionic bond in sodium chloride
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Explain back: The lattice structure of an ionic compound
I have just studied the lattice structure of an ionic compound in my SS2 Chemistry class.
Practice set: The formation of a covalent bond in a simple molecule
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Spot my mistake: Predicting ionic character from electronegativity difference
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Calculation practice: Working out the formula of an ionic compound from its charges
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Real-life Nigeria: The properties of ionic and covalent compounds compared
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Teach me: The metallic bond and the delocalised electrons
You are my personal SS2 Chemistry tutor. Teach me the metallic bond and the delocalised el
Quiz me: The properties that metallic bonding explains
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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
Practice set: Giant structures and simple molecular structures compared
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Spot my mistake: Explaining metallic conductivity by the movement of ions
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Calculation practice: Predicting a substance's structure from its properties
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Real-life Nigeria: Alloys, and the reasons they are made
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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