236 prompts matching "Testing for sulphate and for sulphite"
Calculation practice: A mixed set of first-term SS2 chemistry calculations
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Calculation practice: Calculating pH from hydrogen ion concentration
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Calculation practice: Preparing a solution of a stated concentration
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Real-life Nigeria: Volumetric analysis in Nigerian quality control
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Exam practice: Finding the concentration of an unknown alkali
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Calculation practice: Calculating the purity of a sample from titration data
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Calculation practice: Using Hess's law to find an unknown enthalpy change
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Exam practice: Measuring rate by volume of gas or by loss of mass
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Calculation practice: Calculating rate from a graph of concentration against time
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Real-life Nigeria: The catalysts used in Nigerian industry
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Exam practice: The effect of temperature on the position of equilibrium
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Real-life Nigeria: Equilibrium in the Haber process
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Calculation practice: Calculating the mass of washing soda needed to soften water
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Real-life Nigeria: Water supply problems in Nigerian towns
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Calculation practice: Interpreting air quality measurement data
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Real-life Nigeria: Gas flaring in the Niger Delta
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Calculation practice: A mixed set of second-term SS2 chemistry calculations
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Real-life Nigeria: Hydrocarbons in Nigerian fuels
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Exam practice: How alkenes react by addition across the double bond
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