250 prompts matching "Expecting a detergent to fail in hard water as soap does"
Spot my mistake: Predicting ionic character from electronegativity difference
Act as my SS2 Chemistry tutor. Show me a worked answer on predicting ionic character from
Calculation practice: Working out the formula of an ionic compound from its charges
Act as my SS2 Chemistry tutor. Walk me through working out the formula of an ionic compoun
Explain back: Malleability and ductility in terms of structure
I have just studied malleability and ductility in terms of structure in my SS2 Chemistry c
Spot my mistake: Explaining metallic conductivity by the movement of ions
Act as my SS2 Chemistry tutor. Show me a worked answer on explaining metallic conductivity
Calculation practice: Predicting a substance's structure from its properties
Act as my SS2 Chemistry tutor. Walk me through predicting a substance's structure from its
Real-life Nigeria: Alloys, and the reasons they are made
Act as my SS2 Chemistry tutor. Show me where alloys, and the reasons they are made turns u
Calculation practice: Working out the change in oxidation number
Act as my SS2 Chemistry tutor. Walk me through working out the change in oxidation number
Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
Act as my SS2 Chemistry tutor. Show me where oxidation in the rusting of Nigerian roofing
Practice set: Balancing a redox equation by half-equations
Act as my SS2 Chemistry tutor. Give me five practice questions on balancing a redox equati
Spot my mistake: Calling the oxidising agent the substance that is oxidised
Act as my SS2 Chemistry tutor. Show me a worked answer on calling the oxidising agent the
Calculation practice: Balancing a redox equation in acidic solution
Act as my SS2 Chemistry tutor. Walk me through balancing a redox equation in acidic soluti
Chemistry at work: Redox reactions in batteries and cells
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on redox
Explain back: Why metals conduct heat and electricity
I have just studied why metals conduct heat and electricity in my SS2 Chemistry class. Let
Calculation practice: Comparing metals by a density calculation
Act as my SS2 Chemistry tutor. Walk me through comparing metals by a density calculation a
Real-life Nigeria: Choosing the right metal for a given Nigerian use
Act as my SS2 Chemistry tutor. Show me where choosing the right metal for a given Nigerian
Explain back: Extraction by reduction with carbon
I have just studied extraction by reduction with carbon in my SS2 Chemistry class. Let me
Spot my mistake: Proposing carbon reduction for a very reactive metal
Act as my SS2 Chemistry tutor. Show me a worked answer on proposing carbon reduction for a
Explain back: The allotropes shown by some non-metals
I have just studied the allotropes shown by some non-metals in my SS2 Chemistry class. Let
Calculation practice: Predicting a non-metal's valency from its group
Act as my SS2 Chemistry tutor. Walk me through predicting a non-metal's valency from its g
Real-life Nigeria: The non-metals essential to Nigerian agriculture
Act as my SS2 Chemistry tutor. Show me where the non-metals essential to Nigerian agricult