250 prompts matching "Hard and soft water, and the causes of hardness"
Calculation practice: Calculating the mass of iron from a mass of ore
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of iron from a mass of
Spot my mistake: The errors most often made in third-term SS2 Chemistry
Act as my SS2 Chemistry tutor. Show me a worked answer on the errors most often made in th
Teach me: The octet rule, and why atoms seek a full outer shell
You are my personal SS2 Chemistry tutor. Teach me the octet rule, and why atoms seek a ful
Explain back: The lattice structure of an ionic compound
I have just studied the lattice structure of an ionic compound in my SS2 Chemistry class.
Teach me: The metallic bond and the delocalised electrons
You are my personal SS2 Chemistry tutor. Teach me the metallic bond and the delocalised el
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
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
Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Exam practice: The common oxidising and reducing agents and their tests
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Exam practice: The reactivity series and how it is established
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Real-life Nigeria: Nigeria's metal deposits and their exploitation
Act as my SS2 Chemistry tutor. Show me where Nigeria's metal deposits and their exploitati
Chemistry at work: Metalloids, and where they sit between the two
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on metall
Practice set: Making sulphur dioxide in the laboratory and testing it
Act as my SS2 Chemistry tutor. Give me five practice questions on making sulphur dioxide i
Explain back: The preferential discharge of ions
I have just studied the preferential discharge of ions in my SS2 Chemistry class. Let me e
Explain back: Metals and their extraction reviewed
I have just studied metals and their extraction reviewed in my SS2 Chemistry class. Let me
Practice set: Non-metals and their compounds reviewed
Act as my SS2 Chemistry tutor. Give me five practice questions on non-metals and their com
Real-life Nigeria: Linking bonding, structure and properties together
Act as my SS2 Chemistry tutor. Show me where linking bonding, structure and properties tog
Practice set: Amphoteric substances and how they behave
Act as my SS2 Chemistry tutor. Give me five practice questions on amphoteric substances an
Spot my mistake: Treating concentration and strength as the same thing
Act as my SS2 Chemistry tutor. Show me a worked answer on treating concentration and stren
Real-life Nigeria: Buffer solutions and where they matter
Act as my SS2 Chemistry tutor. Show me where buffer solutions and where they matter turns