500 prompts matching "The methods of softening hard water"
Spot my mistake: Naming coke as the substance that removes the impurities
Act as my SS3 Chemistry tutor. Show me a worked answer on naming coke as the substance tha
Project task: Researching the Ajaokuta and Delta steel plants
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Chemistry at work: The Nigerian iron and steel industry
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on the Ni
Calculation practice: Calculating the electricity needed to extract aluminium
Act as my SS3 Chemistry tutor. Walk me through calculating the electricity needed to extra
Chemistry at work: Aluminium smelting and the power it demands
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Teach me: The halogens as Group 7, and their common features
You are my personal SS3 Chemistry tutor. Teach me the halogens as Group 7, and their commo
Explain back: The trend in reactivity and in oxidising power
I have just studied the trend in reactivity and in oxidising power in my SS3 Chemistry cla
Exam practice: The laboratory preparation and the tests for chlorine
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Real-life Nigeria: The halogens and their compounds in daily use
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Explain back: Sulphur trioxide and the contact process
I have just studied sulphur trioxide and the contact process in my SS3 Chemistry class. Le
Project task: Tracing the sulphur products used in my own home
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Practice set: The Haber process and the conditions it uses
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Real-life Nigeria: The nitrogen cycle and nitrogen fixation
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Project task: Examining the nitrogen content stated on a fertiliser bag
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Real-life Nigeria: Carbonates, hydrogencarbonates and their reactions
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Chemistry at work: Carbon dioxide in the Nigerian bottling and fire-safety trades
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on carbon
Exam practice: The NPK rating and how to read it
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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
Exam practice: Transition metals and their compounds as catalysts
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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