500 prompts matching "Water treatment in Nigerian towns"
Calculation practice: Calculating the mass of ammonia from nitrogen and hydrogen
Act as my SS3 Chemistry tutor. Walk me through calculating the mass of ammonia from nitrog
Project task: Examining the nitrogen content stated on a fertiliser bag
Act as my SS3 Chemistry tutor. Set me a short practical or research task on examining the
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
Exam practice: The tests that distinguish the two oxides of carbon
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
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
Calculation practice: Calculating the carbon dioxide released by a mass of limestone
Act as my SS3 Chemistry tutor. Walk me through calculating the carbon dioxide released by
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
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
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
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
Calculation practice: Calculating the amount of softener required
Act as my SS3 Chemistry tutor. Walk me through calculating the amount of softener required
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
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
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
Calculation practice: Calculating the nitrogen content of a fertiliser
Act as my SS3 Chemistry tutor. Walk me through calculating the nitrogen content of a ferti
Project task: Comparing the fertiliser brands on sale locally
Act as my SS3 Chemistry tutor. Set me a short practical or research task on comparing the
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
Project task: Observing colour changes in transition metal solutions
Act as my SS3 Chemistry tutor. Set me a short practical or research task on observing colo