500 prompts matching "Calculating the mass of ammonia from nitrogen and hydrogen"
Real-life Nigeria: The laws of combination at work in Nigerian industry
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Real-life Nigeria: The gas laws in Nigerian diving and gas cylinders
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Exam practice: The ideal gas equation and the gas constant
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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
Exam practice: The pH scale and what it measures
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Explain back: The methods of preparing a soluble salt
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Exam practice: Neutralisation and the reaction it describes
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Exam practice: The trend in metallic and non-metallic character
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Real-life Nigeria: The alkali metals and the halogens as families
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Explain back: Water as a solvent, and the solutions it forms
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Explain back: The laboratory preparation of oxygen
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Exam practice: Combustion and the conditions it requires
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Teach me: Atomic structure and the mole concept reviewed
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Exam practice: The periodic table and separation techniques reviewed
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Exam practice: Identifying the oxidising and the reducing agent in a reaction
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Explain back: Covalent bonding and the electron pairs atoms share
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Exam practice: Metallic bonding and the properties it gives
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Teach me: Exothermic and endothermic reactions
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Explain back: The effect of concentration on reaction rate
I have just studied the effect of concentration on reaction rate in my SS1 Chemistry class
Exam practice: Catalysts and how they work
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