468 prompts matching "Calculating output and efficiency for a plant"
Chemistry at work: The hazards of the halogens and their safe handling
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Explain back: Sulphur trioxide and the contact process
I have just studied sulphur trioxide and the contact process in my SS3 Chemistry class. Le
Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Chemistry at work: Sulphur dioxide and acid rain in Nigeria
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Explain back: Ammonia, its preparation and its properties
I have just studied ammonia, its preparation and its properties in my SS3 Chemistry class.
Exam practice: Nitric acid, its manufacture and its reactions
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Explain back: The preparation and properties of carbon dioxide
I have just studied the preparation and properties of carbon dioxide in my SS3 Chemistry c
Chemistry at work: Carbon dioxide in the Nigerian bottling and fire-safety trades
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Explain back: Permanent hardness and the compounds responsible
I have just studied permanent hardness and the compounds responsible in my SS3 Chemistry c
Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Chemistry at work: Hardness and the Nigerian water supply industry
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Exam practice: The NPK rating and how to read it
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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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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
Exam practice: Carbohydrates and their classification
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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
You are my personal SS3 Chemistry tutor. Teach me what qualitative analysis sets out to fi