Tag: IGCSE
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IGCSE Prescribed Practical: Investigating the Effect of Concentration and Temperature on Reaction Rates of Hydrochloric Acid and Sodium Thiosulfate
In this IGCSE Prescribed Practical, we delve into the world of chemical kinetics experiments, investigating the relationship between concentration and temperature on the rate of reaction between hydrochloric acid and sodium thiosulfate. By exploring the principles of reaction kinetics, collision theory, and the rate law, we gain an understanding of how chemical reactions occur and…
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Microbial Cultures: Observing Growth on Agar Plates – IGCSE Prescribed Practical
In this practical investigation, we explore the world of microbiology and learn how to grow microbial cultures on agar plates while observing their growth characteristics. Discover the necessary equipment needed and learn the importance of aseptic technique to prevent contamination. Through the process of incubation and making subcultures, we uncover the unique colony characteristics of…
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Investigating the Presence of Starch, Glucose, Protein, and Fat in Food Sample – IGCSE Prescribed Practical
In this practical investigation, we will be exploring the presence of important nutrients such as starch, glucose, protein, and fat in different types of food. By using simple chemical analysis techniques such as Benedict’s solution and Biuret reagent, we can test for the presence of these nutrients and gain a better understanding of the nutritional…