Chemistry Practicals Class 10
Conversion of Plaster of Paris to Gypsum
- Teach science experiments in a gamified way
- Boost conceptual clarity and knowledge retention
- Aligned with National Education Policy 2020
- Helpful in getting NAAC accreditation
- CBSE, ICSE, and state boards aligned curricula
- Engaging simulations with easy-to-teach instructions
About Simulation
- In this simulation, you will immerse yourself in an interactive virtual environment, allowing you to explore the conversion of plaster of Paris to gypsum experiment.
- You can observe and understand the process of hydration and the formation of gypsum without the need for physical materials.
- You can gain a comprehensive understanding of the chemical composition and properties of plaster of Paris and gypsum through the simulated experiment. By interacting with the virtual content, you will learn about the molecular structure and characteristics of these materials, enhancing your knowledge of inorganic compounds.
- By exploring virtual experiments, you can observe how water molecules interact with the plaster of Paris to form gypsum, deepening your understanding of chemical reactions.
- Throughout the simulation, you can understand the applications and significance of plaster of Paris in various industries, such as construction, medicine, and agriculture.
Simulation Details
Description
On heating gypsum at 373 K, it loses water molecules and becomes calcium sulphate hemihydrate (CaSO4. ½ H2O). This is called Plaster of Paris, the substance that doctors use as plaster for supporting fractured bones in the right position. Plaster of Paris is a white powder and on mixing with water, it changes to gypsum once again, giving a hard solid mass.
Note that only half a water molecule is shown to be attached as water of crystallization. How can you get half a water molecule? It is written in this form because two formula units of CaSO4 share one molecule of water. Plaster of Paris is used for making toys, materials for decoration, and for making surfaces smooth.
Understanding the chemistry behind Plaster of Paris reveals its adaptable nature. Its reversible transformation from gypsum to hemihydrate and back demonstrates its utility in creating temporary casts for bone healing and its potential in artistic and construction endeavours. The controlled release and absorption of water play a crucial role in both its medical and non-medical applications, making it a valuable material across various domains.
Watch this video to learn more about chemistry.
Requirements for this Science Experiment
- Plaster of Paris
- Distilled water
- Empty beaker
- Glass rod
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