500 prompts matching "Exam practice: Chromatography and how it works"
Calculation practice: A full calculation section under timed conditions
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Real-life Nigeria: Configuration and an element's position in the table
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Teach me: Why a bond forms, and what holds it together
You are my personal SS3 Chemistry tutor. Teach me why a bond forms, and what holds it toge
Calculation practice: Predicting bond type from electronegativity difference
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Real-life Nigeria: Bond type and the physical properties that follow from it
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Teach me: The Arrhenius and the Bronsted-Lowry definitions
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Real-life Nigeria: Buffer solutions and how they resist a change in pH
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Calculation practice: Calculating the products of complete and incomplete combustion
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Calculation practice: Calculating the mass of product in an addition reaction
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Real-life Nigeria: Polymerisation of alkenes and the plastics it gives
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Calculation practice: Calculating the number of repeating units from molar mass
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Teach me: The ores of iron and their composition
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Calculation practice: Calculating the mass of iron from a mass of haematite
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Teach me: The occurrence of aluminium and the ore bauxite
You are my personal SS3 Chemistry tutor. Teach me the occurrence of aluminium and the ore
Calculation practice: Calculating the electricity needed to extract aluminium
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Real-life Nigeria: The uses of aluminium and of its alloys
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Teach me: Nitrogen, its occurrence and its inertness
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Real-life Nigeria: The nitrogen cycle and nitrogen fixation
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Teach me: What hardness is, and what causes it
You are my personal SS3 Chemistry tutor. Teach me what hardness is, and what causes it, us
Calculation practice: Calculating the nitrogen content of a fertiliser
Act as my SS3 Chemistry tutor. Walk me through calculating the nitrogen content of a ferti