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Alok Singh

Ssc & Railways
General Awareness
2 years ago

हीरा (Diamond) क्या है?

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SUNDARAM SINGH

2 years ago

Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. At room temperature and pressure, another solid form of carbon known as graphite is the chemically stable form of carbon, but diamond converts to it extremely slowly. Wi

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