330 prompts matching "Calculating rate from a graph of concentration against time"
Practice set: Removing temporary hardness
Act as my SS3 Chemistry tutor. Give me five practice questions on removing temporary hardn
Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Spot my mistake: Expecting boiling to remove permanent hardness
Act as my SS3 Chemistry tutor. Show me a worked answer on expecting boiling to remove perm
Practice set: Phosphate and potash fertilisers
Act as my SS3 Chemistry tutor. Give me five practice questions on phosphate and potash fer
Exam practice: The NPK rating and how to read it
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Spot my mistake: Assuming more fertiliser always means a better yield
Act as my SS3 Chemistry tutor. Show me a worked answer on assuming more fertiliser always
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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Practice set: Proteins, their structure and the tests for them
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Spot my mistake: Describing starch and cellulose as the same polymer
Act as my SS3 Chemistry tutor. Show me a worked answer on describing starch and cellulose