250 prompts matching "The reactions of acids with metals and with carbonates"
Exam practice: The uses of each petroleum fraction
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Calculation practice: Calculating the yield of a named fraction
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Chemistry at work: The petrochemicals made from oil and gas
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Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
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Calculation practice: Calculating the mass of iron from a mass of ore
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Teach me: The nucleus, and what makes it unstable
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Spot my mistake: Balancing a nuclear equation without checking the mass number
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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.
Real-life Nigeria: Alloys, and the reasons they are made
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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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
Exam practice: The common oxidising and reducing agents and their tests
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Exam practice: The reactivity series and how it is established
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Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Explain back: The allotropes shown by some non-metals
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Practice set: Making sulphur dioxide in the laboratory and testing it
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Explain back: The preferential discharge of ions
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Real-life Nigeria: Linking bonding, structure and properties together
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Practice set: Amphoteric substances and how they behave
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