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Browse all science resourcesFour topic quizzes on analytical techniques: 20 marks and seven questions each, explained keys and teacher guide. Nine editable Word files plus nine PDFs.
165 free whiteboard-style Chemistry Review Cards for IB Diploma Structure and Reactivity, with scientific diagrams, concise explanations and worked examples for SL and HL.
Choose a mobile phase that separates a food-dye mixture and evaluate how solvent composition changes migration. Four editable Word documents for AP Chemistry.
Estimate the molar volume of dry hydrogen using magnesium and dilute acid, accounting for water vapour and experimental loss. Four editable Word documents for AP Chemistry.
Use precipitate mass to locate the stoichiometric ratio between calcium ions and carbonate ions. Four editable Word documents for AP Chemistry.
Standardise iodine and estimate ascorbic acid content using a redox titration with a defined endpoint. Four editable Word documents for AP Chemistry.
Use absorbance-time data to test integrated rate models for crystal violet fading in excess hydroxide. Four editable Word documents for AP Chemistry.
Determine the mass percentage of calcium carbonate in a two-component solid mixture and test the reliability of a separation method. Four editable Word documents for AP Chemistry.
Design a calibration method to determine the concentration of Blue 1 dye in an unknown solution. Four editable Word documents for AP Chemistry.
Use a fixed iodine threshold to estimate initial rates and investigate concentration dependence. Four editable Word documents for AP Chemistry.
