250 prompts matching "Exam practice: Fertilisers and their effect on crop yield"
Real-life Nigeria: The properties of ionic and covalent compounds compared
Act as my SS2 Chemistry tutor. Show me where the properties of ionic and covalent compound
Calculation practice: Predicting a substance's structure from its properties
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Real-life Nigeria: Alloys, and the reasons they are made
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Calculation practice: Working out the change in oxidation number
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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Calculation practice: Balancing a redox equation in acidic solution
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Chemistry at work: Redox reactions in batteries and cells
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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
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Quiz me: The link between reactivity and the method of extraction
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Calculation practice: Predicting a non-metal's valency from its group
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Explain back: The preparation and properties of chlorine
I have just studied the preparation and properties of chlorine in my SS2 Chemistry class.
Calculation practice: Calculating the volume of a gas from a given mass
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Quiz me: Strong electrolytes and weak electrolytes compared
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Calculation practice: Applying Faraday's first law to a calculation
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Real-life Nigeria: Electroplating and metal purification in Nigeria
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Calculation practice: A mixed set of first-term SS2 chemistry calculations
Act as my SS2 Chemistry tutor. Walk me through a mixed set of first-term SS2 chemistry cal
Real-life Nigeria: Linking bonding, structure and properties together
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Explain back: The strength of an acid and the degree of ionisation
I have just studied the strength of an acid and the degree of ionisation in my SS2 Chemist