O水准化学ALL ABOUT CHEMISTRY 'O'LEVEL教材部份词汇表

lead electrode approve contaminate accidental jelly packet freezing point flow chart construct citrus preservation citric acid citric determine checklist self-check consumption magnesium crop fertiliser sulfate potassium livestock extraction favourable reengineer attempt to concentration original substantially nitrophenol catechol resorcinol petrol coconut palm palm melting point interval hydrochloric galactose fructose maltose presence glucose sucrose sodium hydroxide dilute identification locate spray identical strip performance enhance banned drug athlete urine hence originally dye chromatography krypton neon argon bracket elaborate infer stopper tap ran off layer immiscible separate recommendation recommend consultant similarity pump high-pressure simplify membrane osmosis reverse affordable alcoholic fraction crude oil petroleum nitrogen oxygen constant distill distillate boiling point fractionate column bead ethanol miscible fractional distillation desalination vaporise chip distillation flask condenser condense distillation ammonium aluminium iron anhydrous dry ice sublime iodine vapour sublimation molten quartz eventually evaporating dish saturate separator crystallization crystallise decompose solvent evaporation pebble gravel reservoir trap funnel kidney filtrate residue filter paper filtration pour decant chemical reaction purification extremely silicon chip silicon pharmaceutical computer chip consist of copper crystal present substance purity identity deduce agent comparison chromatogram interpret component impurity headline cautionary come across occasionally extension presentation oral brief poster refer to no longer optical electrical outline moisture absorb mould silica gel response obtain over time carbon dioxide represent axe sketch give out stirrer magnetic container test tube statement misconception variable as well despite state evaluate imagination generate inquiry marble hydrochloric acid cotton wool monitor interface connector probe decrease bung hydrogen ammonia upward cupboard carry out preferable chlorine soluble downward displacement delivery jar assemble milligram kilogram sufficient stopwatch absolute zero equivalent scale theoretically Celsius kelvin SI thread Mercury syringe e.g. accuracy clue mystery premature incubator measuring cylinder burette pipette approximate conical flask beaker decimetre