448 prompts matching "Exothermic and endothermic reactions"
Exam practice: The NPK rating and how to read it
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Real-life Nigeria: The effect of fertiliser overuse on soil and water
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Project task: Comparing the fertiliser brands on sale locally
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Chemistry at work: Fertiliser production and distribution in Nigeria
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Explain back: Variable oxidation state, and why it arises
I have just studied variable oxidation state, and why it arises in my SS3 Chemistry class.
Exam practice: Transition metals and their compounds as catalysts
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Real-life Nigeria: Complex ion formation and the ligands involved
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Teach me: The amines and their basic character
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Explain back: Amino acids and the peptide link
I have just studied amino acids and the peptide link in my SS3 Chemistry class. Let me exp
Practice set: Proteins, their structure and the tests for them
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Exam practice: Carbohydrates and their classification
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Spot my mistake: Describing starch and cellulose as the same polymer
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Real-life Nigeria: The tests for protein, starch and reducing sugar
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Project task: Testing Nigerian foods for starch and for protein
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Chemistry at work: Biochemistry and food science as careers
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Teach me: What qualitative analysis sets out to find
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Quiz me: The preliminary tests carried out on an unknown salt
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Practice set: Identifying cations with sodium hydroxide solution
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Exam practice: Identifying cations with aqueous ammonia
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Calculation practice: Interpreting an observation table to name a cation
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