Electrochemistry

 

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তড়িৎ রাসায়নিক কোষ, এর গঠন ও ক্রিয়াকৌশল। Electrochemistry, structure of electrochemical cell and it's machanism

 

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Beautiful sea view of Teknaf to Saintmartin, Cox'sbazar, Bangladesh https://youtu.be/3GWyZSVHr7g

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https://youtu.be/3GWyZSVHr7g

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বিভিন্ন সমগোত্রীয় শ্রেণির কার্যকরী মূলকের সাধারণ সংকেত ও গাঠনিক সংকেত

 

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The longest sea beach in the world.

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Phenol (Carbolic Acid)

Phenol, also known as carbolic acid, is an aromatic organic compound with the molecular formula C₆H₅OH. It is a white crystallinesolid that is volatile. The molecule consists of a phenyl group (−C₆H₅) bonded to a hydroxyl group (−OH). It is mildly acidic and requires careful handling due to its propensity to cause chemical burns.

Phenol was first extracted from coal tar, but today is produced on a large scale (about 7 billion kg/year) from petroleum. It is an important industrial commodity as a precursor to many materials and useful compounds.^[7] It is primarily used to synthesize plasticsand related materials. Phenol and its chemical derivatives are essential for production of polycarbonates, epoxies, Bakelite, nylon, detergents, herbicides such as phenoxy herbicides, and numerous pharmaceutical drugs

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