227 prompts matching "Enthalpies of formation, combustion and neutralisation"
Explain back: Condensation polymerisation and the products it gives
I have just studied condensation polymerisation and the products it gives in my SS2 Chemis
Practice set: Natural polymers and synthetic polymers compared
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Real-life Nigeria: Plastic waste and its disposal in Nigerian cities
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Practice set: Cracking and reforming, and what each achieves
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Real-life Nigeria: Nigeria's refineries and the problems they face
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Chemistry at work: The petrochemicals made from oil and gas
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Practice set: The properties and the test for ammonia
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Real-life Nigeria: Fertiliser production and use in Nigeria
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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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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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Spot my mistake: Predicting ionic character from electronegativity difference
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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