436 prompts matching "Exam practice: Removing permanent hardness by chemical and ion-exchange methods"
Spot my mistake: Treating air as a compound rather than a mixture
Act as my SS1 Chemistry tutor. Show me a worked answer on treating air as a compound rathe
Chemistry at work: The uses of the gases separated from air
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Spot my mistake: The errors most often made in second-term SS1 Chemistry
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Spot my mistake: Confusing the anode with the cathode
Act as my SS1 Chemistry tutor. Show me a worked answer on confusing the anode with the cat
Spot my mistake: Assigning an oxidation number to the wrong atom
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Chemistry at work: Redox reactions in Nigerian industry
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Spot my mistake: Describing a covalent compound as conducting when molten
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Spot my mistake: Giving an exothermic change a positive enthalpy
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Quiz me: Measuring the rate of a reaction
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Spot my mistake: Saying a catalyst is used up during a reaction
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Spot my mistake: Confusing the two oxides of carbon in a test
Act as my SS1 Chemistry tutor. Show me a worked answer on confusing the two oxides of carb
Spot my mistake: Confusing the greenhouse effect with ozone depletion
Act as my SS1 Chemistry tutor. Show me a worked answer on confusing the greenhouse effect
Spot my mistake: The errors most often made in third-term SS1 Chemistry
Act as my SS1 Chemistry tutor. Show me a worked answer on the errors most often made in th
Spot my mistake: Choosing decantation where filtration is needed
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Chemistry at work: Separation work in Nigerian laboratories
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Spot my mistake: Using simple distillation on liquids with close boiling points
Act as my SS1 Chemistry tutor. Show me a worked answer on using simple distillation on liq
Chemistry at work: Distillation in the Nigerian refining industry
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Chemistry at work: Analytical chemistry as a career in Nigeria
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Spot my mistake: Thinking isotopes of an element react differently
Act as my SS1 Chemistry tutor. Show me a worked answer on thinking isotopes of an element