500 prompts matching "Calculating masses that combine in a fixed ratio"
Explain back: Sulphur trioxide and the contact process
I have just studied sulphur trioxide and the contact process in my SS3 Chemistry class. Le
Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
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
Teach me: Nitrogen, its occurrence and its inertness
You are my personal SS3 Chemistry tutor. Teach me nitrogen, its occurrence and its inertne
Spot my mistake: Treating dilute and concentrated nitric acid alike
Act as my SS3 Chemistry tutor. Show me a worked answer on treating dilute and concentrated
Spot my mistake: Describing carbon monoxide as an acidic oxide
Act as my SS3 Chemistry tutor. Show me a worked answer on describing carbon monoxide as an
Explain back: Permanent hardness and the compounds responsible
I have just studied permanent hardness and the compounds responsible in my SS3 Chemistry c
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
Act as my SS3 Chemistry tutor. Show me a worked answer on expecting boiling to remove perm
Explain back: The manufacture of nitrogenous fertilisers
I have just studied the manufacture of nitrogenous fertilisers in my SS3 Chemistry class.
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
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.
Spot my mistake: Calling zinc a typical transition metal
Act as my SS3 Chemistry tutor. Show me a worked answer on calling zinc a typical transitio
Calculation practice: Working out the oxidation state in a complex ion
Act as my SS3 Chemistry tutor. Walk me through working out the oxidation state in a comple
Teach me: The amines and their basic character
You are my personal SS3 Chemistry tutor. Teach me the amines and their basic character, us
Quiz me: Naming the simple amines
Act as my SS3 Chemistry tutor and quiz me on naming the simple amines. Ask five questions
Explain back: Amino acids and the peptide link
I have just studied amino acids and the peptide link in my SS3 Chemistry class. Let me exp
Practice set: Proteins, their structure and the tests for them
Act as my SS3 Chemistry tutor. Give me five practice questions on proteins, their structur