250 prompts matching "The preliminary tests carried out on an unknown salt"
Practice set: Balancing a redox equation by half-equations
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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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Practice set: Density, melting point and hardness across the metals
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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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Teach me: Ores, and what extraction means
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Exam practice: The extraction of iron in the blast furnace
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Teach me: The general physical properties of non-metals
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Quiz me: Where the non-metals sit in the periodic table
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Exam practice: The halogens as a family of non-metals
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Chemistry at work: Metalloids, and where they sit between the two
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Quiz me: The hydrides of the non-metals
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Calculation practice: Calculating the volume of a gas from a given mass
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Real-life Nigeria: Non-metal compounds in Nigerian industry
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Teach me: The electrolytic cell and the parts it is made of
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Quiz me: Strong electrolytes and weak electrolytes compared
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Practice set: The electrolysis of brine and the products it gives
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Real-life Nigeria: Electroplating and metal purification in Nigeria
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