Category Archives: Chemistry

Chemistry Page Equipment: Comparator DPD No.1 Tablets Sample of water Experiment: Rinse compartments of comparator with samples of water Fill compartments with sample to calibrated mark Add DPD No.1 tablets to each compartment and dissolve completely with a stirring rod … Continue reading →

Chemistry Page Equipment: Water trough 250 cm³ reagent bottle Dropper Deionised water Manganese (II) sulfate solution Alkaline potassium iodide solution Concentrated sulfuric acid Sodium thiosulfate solution Starch indicator Pipette and filler Burette Conical flask Retort stand and clamp River water … Continue reading →

Chemistry Page Equipment: Water sample Universal Indicator Experiment: Add a few drops indicator to the sample Compare colour of sample to colour on chart to determine pH What do you think of this post?Thank You (0) Awesome (0) Interesting (0) Useful (0) Sucks (0)

Chemistry Page Equipment: Sample of filtered water Beaker Oven Experiment: Find mass of clean dry beaker Place 100 cm³ water in beaker and evaporate in oven Find mass of cool beaker + dissolved solids By subtraction, calculate mass of dissolved solids … Continue reading →

Chemistry Page Equipment: Sample of water with suspended solids Filter paper Filter funnel Beaker Experiment: Find mass of dry filter paper Filter 250 cm³ water through the filter paper in funnel Allow filter paper to dry overnight Find mass of … Continue reading →

Chemistry Page Equipment: Pipette and filler Burette Conical Flask Edta solution pH buffer 10 Deionised water Hard water sample Eriochrome Black T Indicator Retort stand and clamp Experiment: Rinse pipette, burette and flask with deionised water. Rinse pipette with hard … Continue reading →

Chemistry page Equipment: 0.005M Potassium Manganate (VII) solution Iron tablets 1.5M sulphuric acid Deionised water Balance Clock glass Dropper Pestle and mortar Retort stand and clamp Pipette and filler Burette 250cm³ volumetric flask Conical flask White tile Beakers Graduated cylinder … Continue reading →

Chemistry page Equipment: Potassium manganate (VII) solution 0.1M ammonium iron (II) solution 1.5M sulfuric acid solution Deionised water Pipette and filler Burette Funnel Retort stand and clamp White til Conical flask Graduated cylinder Experiment: Wash burette, conical flask and pipette … Continue reading →

Chemistry page Equipment: Vinegar 0.1M sodium hydroxide solution Deionised water Phenolphthalein indicator Pipette and filler Retort stand and clamp Burette Conical flask 250cm³ volumetric flask Wash bottle White tile Beakers Dropper Funnel Experiment: Pipette 25cm³ NaOH in conical flask and … Continue reading →

Chemistry page Equipment: Standard 0.1M hydrochloric acid solution Sodium hydroxide solution Methyl orange indicator Deionised water Burette Pipette and filler Retort and clamp Funnel Conical flask White tile Beakers Hot plate Experiment: Rinse conical flask, burette and pipette with deionised … Continue reading →