Q&A

B. Statements given below are incorrect. Write the correct statements.1. Black diamond

B. Statements given below are incorrect. Write the
correct statements.1. Black diamond is not very hard and is usedfor making cheap jewellery.2. Graphite is good conductor of heat and badconductor of electricity.3. Pure diamond is transparent to visible light,but not to X-rays.4. In Buckminsterfullerene, each moleculehas sixty atoms arranged in rectangles andtriangles.5. Graphite is used in nuclear reactors tospeed up the excess neutrons.​

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