500 prompts matching "Electroplating and metal purification in Nigeria"
Practice set: Naming a polymer from its monomer, and the reverse
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Exam practice: Thermoplastics and thermosetting plastics compared
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Explain back: Reduction with carbon, and when it works
I have just studied reduction with carbon, and when it works in my SS3 Chemistry class. Le
Exam practice: The link between the reactivity series and the method used
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Exam practice: The amphoteric nature of aluminium oxide and hydroxide
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Project task: Identifying aluminium articles in daily Nigerian use
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Explain back: The trend in reactivity and in oxidising power
I have just studied the trend in reactivity and in oxidising power in my SS3 Chemistry cla
Exam practice: The laboratory preparation and the tests for chlorine
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Project task: Researching chlorine's part in Nigerian water treatment
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Explain back: Sulphur trioxide and the contact process
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Real-life Nigeria: The uses of sulphuric acid in industry
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Quiz me: The laboratory and industrial preparation of nitrogen
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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.
Spot my mistake: Treating dilute and concentrated nitric acid alike
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Calculation practice: Calculating the mass of ammonia from nitrogen and hydrogen
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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
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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Exam practice: The NPK rating and how to read it
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