500 prompts matching "The alkali metals and the halogens as families"
Exam practice: Galvanising, sacrificial protection and cathodic protection
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Spot my mistake: Describing painting as a chemical method of rust prevention
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Real-life Nigeria: Corrosion of pipelines and bridges in Nigeria
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Quiz me: The sources of each major pollutant in Nigeria
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Explain back: Acid rain, its chemistry and its effects
I have just studied acid rain, its chemistry and its effects in my SS3 Chemistry class. Le
Spot my mistake: Treating carbon dioxide as a toxic pollutant
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Quiz me: Coagulation, sedimentation and filtration
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Exam practice: Distillation, reverse osmosis and desalination
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Spot my mistake: Assuming boiling removes every impurity from water
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Calculation practice: Calculating the dose of a treatment chemical
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Real-life Nigeria: Sachet and bottled water quality in Nigeria
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Quiz me: The reactions taking place in the cement kiln
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Calculation practice: Calculating the quantity of raw material for a cement batch
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Explain back: Writing and balancing nuclear equations
I have just studied writing and balancing nuclear equations in my SS3 Chemistry class. Let
Calculation practice: Calculating the activity remaining after several half-lives
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Real-life Nigeria: Radioisotopes in medicine, industry and dating
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Quiz me: The work of an analytical chemist
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Explain back: Chemical engineering and what it involves
I have just studied chemical engineering and what it involves in my SS3 Chemistry class. L
Spot my mistake: Assuming chemistry leads only to laboratory work
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Quiz me: Soaps, detergents, dyes and pigments reviewed
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