Chemistry Coal & Petroleum Part 6 (Coal Processing & Uses of Coal) Class 8 VIII

TL;DR

Coal is extracted through mining and undergoes processing before being utilized for purposes such as cooking, electricity generation, and the production of useful products like coal tar and coal gas.

Transcript

hello friends this video on coal and petroleum part 6 is brought to you by exam feel calm no more fear from exam so that's how the whole is extracted from the coal mines now once the hole is extracted from coal mines so do you think that the coal which we get underneath that is directly used for the various purposes which we have talked about like ... Read More

Key Insights

• ❓ Coal extraction involves mining and processing before it can be used for various purposes.
• 😍 The processing of coal includes washing and crushing to remove impurities and make it portable.
• ✊ Coal is commonly used for cooking and electricity generation in thermal power plants.
• ℹ️ Coal's natural formation and low mining costs make it an economical fuel source.
• 🥵 Thermal power plants convert the heat energy produced by burning coal into electrical energy.
• 🤩 Coal production can lead to the creation of useful products such as coal tar and coal gas.
• ✊ Thermal power plants are strategically located near coal or oil fields for convenient access to raw materials.

Questions & Answers

Q: How is coal obtained and why does it need to be processed?

Coal is obtained through mining, but it needs to be processed to remove impurities, reduce ash content, and make it easier to transport and use for various purposes.

Q: What are the main uses of coal?

Coal is primarily used as a fuel for cooking and electricity generation. It can also be processed to produce useful products like coal tar and coal gas.

Q: What is the significance of coal's natural formation and low mining costs?

Coal's natural formation means that it is readily available and does not require creation. Its low mining costs make it a more affordable option compared to other fuels.

Q: Why are thermal power plants located near coal or oil fields?

Thermal power plants burn coal to generate heat energy, which is then converted into electrical energy. Locating these plants near coal or oil fields ensures a convenient and nearby source of raw materials.

Summary & Key Takeaways

• Coal is extracted from mines and needs to undergo processing, including washing and crushing, before it can be used for various purposes.

• Coal is commonly used for cooking in villages and for generating electricity in thermal power stations.

• The processing of coal involves removing dirt and undesirable particles, reducing ash content, and making it portable for transportation.