473 prompts matching "Cracking and reforming, and what each achieves"
Practice set: Drugs and medicines and their chemical basis
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Real-life Nigeria: Household chemicals and their safe use in Nigeria
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Practice set: Carbon and its compounds reviewed
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Quiz me: Homogeneous and heterogeneous mixtures
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Practice set: Decantation, and when it is appropriate
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Quiz me: Paper chromatography and how it is carried out
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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Real-life Nigeria: Radioactive isotopes and their uses in Nigeria
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Real-life Nigeria: Why some elements react vigorously and others hardly at all
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Explain back: What a chemical formula tells you
I have just studied what a chemical formula tells you in my SS1 Chemistry class. Let me ex
Quiz me: Word equations and chemical equations compared
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Quiz me: Spectator ions and how to spot them
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Quiz me: Periods, groups and blocks
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Real-life Nigeria: The elements Nigeria mines, and where they sit in the table
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Quiz me: Ionic bonding and the transfer of electrons
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Real-life Nigeria: The properties ionic and covalent compounds show
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Quiz me: Van der Waals forces and where they matter
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Practice set: How structure determines melting and boiling point
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Real-life Nigeria: Hydrogen bonding and the behaviour of water
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