IGCSE›Cambridge IGCSE Chemistry›Mind mapsExperimental DesignCambridge IGCSE Chemistry: Mind mapStudy pack PDFAlso for this subtopic:Revision notesFlashcardsSubtopic testCover factsTime and temperatureDigital stop-watch reads to 0.01 sAnalogue stop-watch reads to 0.1 sLiquid-in-glass thermometer: ±1 °CDigital thermometer: ±0.5 °CThermometer bulb must be fully submergedMassTwo-pan balance: ±0.1 gElectronic balance: ±0.01 g or betterTare (zero) the balance before adding solidUse a weighing boat to protect the panApparatusmeasuring in experimentss°Cgcm³VolumeMeasuring cylinder: ±1 cm³, rough workVolumetric pipette: fixed volume, ±0.05 cm³Burette: variable volume, ±0.05 cm³Gas syringe measures gas volumesRead the bottom of the meniscus at eye levelSolution wordsSolvent dissolves the soluteSolute is the substance dissolvedSaturated solution holds maximum soluteResidue = solid left on the filter paperFiltrate = liquid that passes throughExam tipsName the apparatus and its precisionLink pros and cons to the experimentAvoid parallax error: read at eye levelBeaker or test tube is not a volume measurer