500 prompts matching "The preliminary tests carried out on an unknown salt"
Chemistry at work: Metallic bonding and the sea of electrons
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Real-life Nigeria: Hydrogen bonding and the behaviour of water
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Quiz me: The general gas equation and the terms in it
Act as my SS1 Chemistry tutor and quiz me on the general gas equation and the terms in it.
Exam practice: The ideal gas equation and the molar gas constant
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Real-life Nigeria: Graham's law of diffusion and the uses made of it
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Exam practice: The reactions of alkalis with acids and with ammonium salts
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Calculation practice: Calculating the concentration of an alkali
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Quiz me: The common indicators and their colour changes
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Chemistry at work: The sources of error in a titration, and how to reduce them
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Exam practice: The uses of diamond and of graphite
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Chemistry at work: The newer forms of carbon and what they promise
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Chemistry at work: Carbon black, animal charcoal and their uses
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on carbon
Real-life Nigeria: Carbonates and hydrogencarbonates and their reactions
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Quiz me: Catenation and the chains carbon can form
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Explain back: Petrochemicals and the refining of crude oil
I have just studied petrochemicals and the refining of crude oil in my SS1 Chemistry class
Explain back: Changes of state and the names given to them
I have just studied changes of state and the names given to them in my SS1 Chemistry class
Explain back: Ions, and how an atom becomes one
I have just studied ions, and how an atom becomes one in my SS1 Chemistry class. Let me ex
Explain back: Temperature and the kinetic energy of particles
I have just studied temperature and the kinetic energy of particles in my SS1 Chemistry cl
Explain back: The limiting reagent, and how to identify it
I have just studied the limiting reagent, and how to identify it in my SS1 Chemistry class
Explain back: Evaporation, crystallisation and distillation
I have just studied evaporation, crystallisation and distillation in my SS1 Chemistry clas