500 prompts matching "Nigeria's refineries and the problems they face"
Exam practice: Magnetic separation and the use of a separating funnel
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Quiz me: The nucleus and what it contains
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Explain back: The octet rule and chemical stability
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Exam practice: Ionisation and the formation of cations and anions
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Explain back: The state symbols and what each of them means
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Quiz me: Spectator ions and how to spot them
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Real-life Nigeria: The ionic equations behind Nigerian water treatment
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Exam practice: The properties of Group 1, Group 7 and Group 0
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Quiz me: Ionic bonding and the transfer of electrons
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Explain back: Covalent bonding and the sharing 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: The pressure law and its graph
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Quiz me: The general gas equation and the terms in it
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Exam practice: The ideal gas equation and the molar gas constant
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Explain back: The sources of water in Nigeria
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Exam practice: Solubility and the factors that affect it
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Quiz me: The difference between a base and an alkali
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Explain back: The properties of bases and of alkalis
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Exam practice: The reactions of alkalis with acids and with ammonium salts
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Quiz me: The common indicators and their colour changes
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