500 prompts matching "Extraction by electrolysis, and when it is necessary"
Explain back: The scientific method as chemists use it
I have just studied the scientific method as chemists use it in my SS1 Chemistry class. Le
Exam practice: The links between chemistry and the other sciences
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Practice set: Fertiliser, cement and soap manufacture in Nigeria
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Practice set: Isotopes, and why they exist
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Exam practice: Identifying the oxidising and the reducing agent in a reaction
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Exam practice: Heat of reaction, of neutralisation and of combustion
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Practice set: Drugs and medicines and their chemical basis
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Exam practice: Fertilisers and their effect on crop yield
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Exam practice: Ionisation and the formation of cations and anions
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Quiz me: The branches of chemistry
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Spot my mistake: Treating chemistry as a subject only about dangerous substances
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Spot my mistake: The environmental effects of chemical industry
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Quiz me: The three states of matter and their particle arrangement
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Quiz me: The proton, the neutron and the electron compared
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Spot my mistake: Filling electron shells in the wrong order
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Quiz me: The law of constant composition
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Spot my mistake: Applying the law of multiple proportions to the wrong pair
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Spot my mistake: Using molar mass where molar volume is required
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Quiz me: Naming compounds of metals with fixed valency
Act as my SS1 Chemistry tutor and quiz me on naming compounds of metals with fixed valency
Spot my mistake: Using Celsius in a Charles's law calculation
Act as my SS1 Chemistry tutor. Show me a worked answer on using Celsius in a Charles's law