500 prompts matching "Exam practice: A full SS2 Chemistry paper under examination conditions"
Explain back: The preparation and properties of carbon dioxide
I have just studied the preparation and properties of carbon dioxide in my SS3 Chemistry c
Explain back: Permanent hardness and the compounds responsible
I have just studied permanent hardness and the compounds responsible in my SS3 Chemistry c
Explain back: The manufacture of nitrogenous fertilisers
I have just studied the manufacture of nitrogenous fertilisers in my SS3 Chemistry class.
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.
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
Quiz me: The preliminary tests carried out on an unknown salt
Act as my SS3 Chemistry tutor and quiz me on the preliminary tests carried out on an unkno
Spot my mistake: Adding excess reagent too early and losing a precipitate
Act as my SS3 Chemistry tutor. Show me a worked answer on adding excess reagent too early
Real-life Nigeria: The confirmatory tests for the common cations
Act as my SS3 Chemistry tutor. Show me where the confirmatory tests for the common cations
Quiz me: Testing for carbonate and for hydrogencarbonate
Act as my SS3 Chemistry tutor and quiz me on testing for carbonate and for hydrogencarbona
Spot my mistake: Reporting a sulphate result without acidifying first
Act as my SS3 Chemistry tutor. Show me a worked answer on reporting a sulphate result with
Real-life Nigeria: Identifying a salt from combined cation and anion tests
Act as my SS3 Chemistry tutor. Show me where identifying a salt from combined cation and a
Quiz me: The correct use of the pipette and the burette
Act as my SS3 Chemistry tutor and quiz me on the correct use of the pipette and the burett
Spot my mistake: Including a rough titre in the average
Act as my SS3 Chemistry tutor. Show me a worked answer on including a rough titre in the a
Real-life Nigeria: The sources of error in an acid-base titration
Act as my SS3 Chemistry tutor. Show me where the sources of error in an acid-base titratio
Quiz me: Potassium permanganate as a self-indicating titrant
Act as my SS3 Chemistry tutor and quiz me on potassium permanganate as a self-indicating t
Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
Act as my SS3 Chemistry tutor. Show me a worked answer on using hydrochloric acid to acidi
Real-life Nigeria: Determining the purity of a sample by redox titration
Act as my SS3 Chemistry tutor. Show me where determining the purity of a sample by redox t
Quiz me: The standard electrode potential and what it measures
Act as my SS3 Chemistry tutor and quiz me on the standard electrode potential and what it
Spot my mistake: Reversing the sign of a half-cell potential wrongly
Act as my SS3 Chemistry tutor. Show me a worked answer on reversing the sign of a half-cel
Real-life Nigeria: The Daniell cell and the dry cell
Act as my SS3 Chemistry tutor. Show me where the Daniell cell and the dry cell turns up in