483 prompts matching "Concentrating an ore before extraction"
Practice set: Writing an equation from a described reaction
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Exam practice: Balancing an equation by inspection
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Spot my mistake: Altering subscripts in order to balance an equation
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Calculation practice: Checking that an equation balances by counting atoms
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Chemistry at work: Why balanced equations matter in industry
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Explain back: Writing an ionic equation from a full equation
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Spot my mistake: Leaving spectator ions in an ionic equation
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Calculation practice: Checking the charge balance in an ionic equation
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Chemistry at work: Ionic equations in analytical work
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Exam practice: The properties of Group 1, Group 7 and Group 0
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Chemistry at work: How the periodic table came to be arranged as it is
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Explain back: Covalent bonding and the sharing of electrons
I have just studied covalent bonding and the sharing of electrons in my SS1 Chemistry clas
Practice set: Drawing dot-and-cross diagrams for simple molecules
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Spot my mistake: Showing electron transfer in a covalent compound
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Chemistry at work: Metallic bonding and the sea of electrons
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Explain back: Hydrogen bonding and the effects it produces
I have just studied hydrogen bonding and the effects it produces in my SS1 Chemistry class
Practice set: How structure determines melting and boiling point
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Exam practice: Giant and simple molecular structures compared
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Project task: Comparing the properties of four given substances
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Chemistry at work: Structure and the design of Nigerian building materials
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