500 prompts matching "Gas flaring in the Niger Delta"
Practice set: The properties and reactions of sulphuric acid
Act as my SS3 Chemistry tutor. Give me five practice questions on the properties and react
Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Spot my mistake: Adding water to concentrated sulphuric acid
Act as my SS3 Chemistry tutor. Show me a worked answer on adding water to concentrated sul
Explain back: Ammonia, its preparation and its properties
I have just studied ammonia, its preparation and its properties in my SS3 Chemistry class.
Practice set: The Haber process and the conditions it uses
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Spot my mistake: Treating dilute and concentrated nitric acid alike
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Quiz me: The uses that follow from each carbon structure
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Practice set: The preparation and properties of carbon monoxide
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Spot my mistake: Describing carbon monoxide as an acidic oxide
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Quiz me: Temporary hardness and the compounds responsible
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Practice set: Removing temporary hardness
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Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Spot my mistake: Expecting boiling to remove permanent hardness
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Spot my mistake: Assuming more fertiliser always means a better yield
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Quiz me: The characteristic properties of the transition metals
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Explain back: Variable oxidation state, and why it arises
I have just studied variable oxidation state, and why it arises in my SS3 Chemistry class.
Practice set: The coloured ions of the transition metals
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Exam practice: Transition metals and their compounds as catalysts
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Spot my mistake: Calling zinc a typical transition metal
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Exam practice: Carbohydrates and their classification
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