500 prompts matching "Working out the repeating unit from a polymer structure"
Exam practice: Neutralisation and the reaction it describes
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Spot my mistake: Choosing the wrong preparation method for a given salt
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Explain back: The trend in atomic radius across a period
I have just studied the trend in atomic radius across a period in my SS1 Chemistry class.
Exam practice: The trend in metallic and non-metallic character
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Quiz me: Filtration, and when it is the right method
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Quiz me: The physical properties that make water unusual
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Explain back: Water as a solvent, and the solutions it forms
I have just studied water as a solvent, and the solutions it forms in my SS1 Chemistry cla
Exam practice: The laboratory preparation of hydrogen
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Quiz me: Separating the components of air
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Explain back: The laboratory preparation of oxygen
I have just studied the laboratory preparation of oxygen in my SS1 Chemistry class. Let me
Exam practice: Combustion and the conditions it requires
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Spot my mistake: Treating air as a compound rather than a mixture
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Calculation practice: Calculating the volume of oxygen used in a reaction
Act as my SS1 Chemistry tutor. Walk me through calculating the volume of oxygen used in a
Explain back: The gas laws reviewed
I have just studied the gas laws reviewed in my SS1 Chemistry class. Let me explain it bac
Exam practice: The periodic table and separation techniques reviewed
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Spot my mistake: The errors most often made in second-term SS1 Chemistry
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Explain back: The electrodes, and what happens at each of them
I have just studied the electrodes, and what happens at each of them in my SS1 Chemistry c
Exam practice: The factors that determine which ion is discharged
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Spot my mistake: Confusing the anode with the cathode
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Calculation practice: Faraday's laws and the quantity of electricity
Act as my SS1 Chemistry tutor. Walk me through Faraday's laws and the quantity of electric