IGCSE prescribed practical: grow microbial cultures on agar plates. Aseptic technique, incubation method, colony characteristics and safety precautions.
Tag: Edexcel IGCSE
IGCSE Practical: Plant and Animal Cells Under a Microscope
IGCSE prescribed practical: examine plant and animal cells under a microscope. Prepare slides, observe structures at low and high magnification, and draw cells.
IGCSE Practical: Food Tests for Starch, Glucose, Protein, Fat
IGCSE prescribed practical: test food samples for starch, glucose, protein and fat using Benedict's solution, Biuret reagent and other biochemical tests.
IGCSE Practical: pH and Enzyme Activity (Catalase)
IGCSE prescribed practical: investigate the effect of pH on enzyme activity using catalase and hydrogen peroxide. Measure oxygen production and analyse results.
IGCSE Practical: Investigating Osmosis in Plant Tissue
IGCSE prescribed practical: investigate osmosis in plant tissue using sucrose solutions. Measure mass change, calculate percentage change and analyse results.
Chemistry Exam Practice – Moles Concentration
Chemistry exam practice questions on moles and concentration calculations. Worked examples covering molarity, titrations and stoichiometry for IB and IGCSE.