221 prompts matching "Phosphate and potash fertilisers"
Exam practice: Mild, medium and high carbon steel, and the use of each
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Real-life Nigeria: The Ajaokuta steel project and Nigerian steel
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Teach me: The nucleus, and what makes it unstable
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Quiz me: Alpha, beta and gamma emission compared
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Practice set: Half-life and what it means
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Exam practice: Nuclear fission and nuclear fusion distinguished
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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Chemistry at work: The benefits and the hazards of nuclear chemistry
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Explain back: The soap and detergent industry in Nigeria
I have just studied the soap and detergent industry in Nigeria in my SS2 Chemistry class.
Exam practice: The paint and textile industries in Nigeria
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Calculation practice: Calculating output and efficiency for a plant
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Quiz me: Polymers, petroleum and petrochemicals reviewed
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Quiz me: The formation of an ionic bond in sodium chloride
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Practice set: The formation of a covalent bond in a simple molecule
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Spot my mistake: Predicting ionic character from electronegativity difference
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Calculation practice: Working out the formula of an ionic compound from its charges
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Quiz me: The properties that metallic bonding explains
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Spot my mistake: Explaining metallic conductivity by the movement of ions
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Calculation practice: Predicting a substance's structure from its properties
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