250 prompts matching "Limiting reagent problems, and how to spot the limit"
Practice set: The solubility curve, and how to read it
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Real-life Nigeria: Nigeria's refineries and the problems they face
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Practice set: Making sulphur dioxide in the laboratory and testing it
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Real-life Nigeria: Linking bonding, structure and properties together
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Practice set: Amphoteric substances and how they behave
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Spot my mistake: Treating concentration and strength as the same thing
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Quiz me: The standard solution and how one is prepared
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Spot my mistake: Proposing a higher temperature to raise the ammonia yield
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Spot my mistake: Describing limestone as the reducing agent
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Teach me: The octet rule, and why atoms seek a full outer shell
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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Exam practice: The reactivity series and how it is established
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Explain back: The role of limestone and the removal of slag
I have just studied the role of limestone and the removal of slag in my SS2 Chemistry clas
Real-life Nigeria: The properties of ionic and covalent compounds compared
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Spot my mistake: Explaining metallic conductivity by the movement of ions
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Real-life Nigeria: Alloys, and the reasons they are made
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Practice set: Density, melting point and hardness across the metals
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Spot my mistake: Assuming every metal is hard and dense
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