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Oxalic acid (C₂H₂O₄) is a dicarboxylic acid that is naturally found in many plants, including spinach, rhubarb, and cocoa. It appears as a colorless crystalline solid and is known for its strong acidic properties. Oxalic acid is commonly used as a cleaning and bleaching agent due to its ability to remove rust and stains, particularly in household and industrial cleaning products.
In the laboratory, oxalic acid is employed as a reagent in various chemical reactions, including as a reducing agent and a complexing agent for metal ion analysis. It plays a role in the textile and wood industries for bleaching and in the tanning industry for leather processing. Additionally, oxalic acid is used in the preparation of certain pharmaceuticals and in the extraction of rare earth elements.
Despite its many uses, oxalic acid is toxic if ingested in large quantities, as it can bind with calcium in the body to form insoluble calcium oxalate crystals, potentially leading to kidney stones and other health issues. Therefore, it should be handled with care.
For many learners high school is not enough to prepare them for what they are to face at first year university. They find themselves completely overwhelmed and intimidated by what is expected of them to be able to do in a laboratory.
Unfortunately many learners who want to pursue science subjects go through this dilemma, few as they are because fact is SA is not producing enough learners who will become engineers, doctors, science researchers, let alone science innovators.
To address this, we developed a chemistry kits with 52 experiments for use by learners at home. This gives them an opportunity to gain hand-on exposure and engagement, confidence and understanding they need to study sciences further.
The kit comes with a manual explaining how science is experienced in daily life and therefore brings awareness of the application and usefulness of science, helping the learner relate to what they learn at school.
Some schools do have kits where only the teacher demonstrates the experiments and this is great, but you don’t master driving by watching the driving instructor, you must get in the driver’s seat yourself.
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