500 prompts matching "Fractional distillation and what it separates"
Chemistry at work: Laboratory discipline and safety in the practical examination
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Explain back: Filling and reading a burette accurately
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Chemistry at work: Sources of error, and how candidates should discuss them
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Explain back: The filling of energy levels and sublevels
I have just studied the filling of energy levels and sublevels in my SS3 Chemistry class.
Chemistry at work: Periodicity in the design of new materials
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Explain back: Covalent bonding, polar and non-polar
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Chemistry at work: Bonding and the strength of engineering materials
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Chemistry at work: Why the mole underpins all quantitative chemistry
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Explain back: The combined gas equation and the ideal gas equation
I have just studied the combined gas equation and the ideal gas equation in my SS3 Chemist
Explain back: The ionic product of water and the pH scale
I have just studied the ionic product of water and the pH scale in my SS3 Chemistry class.
Chemistry at work: PH control in Nigerian food and water industries
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Explain back: Preparing a soluble salt from an acid and a metal
I have just studied preparing a soluble salt from an acid and a metal in my SS3 Chemistry
Project task: Preparing and crystallising a named salt
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Teach me: What salt hydrolysis means
You are my personal SS3 Chemistry tutor. Teach me what salt hydrolysis means, using a real
Explain back: The hydrolysis of a salt of a weak acid and a strong base
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Chemistry at work: Hydrolysis and the choice of fertiliser
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Explain back: The physical properties of the alkanes and their trends
I have just studied the physical properties of the alkanes and their trends in my SS3 Chem
Project task: Building models of the branched butanes and pentanes
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Explain back: The carbon-carbon double bond and triple bond
I have just studied the carbon-carbon double bond and triple bond in my SS3 Chemistry clas
Project task: Building models of ethene and of ethyne
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