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AHydrogenVulcanizationb. Chlorineii. match boxesPhosphorusiii. rocket fuelprocket fullsterilizing waterbratch boxesiv. grinding equipment volonisationerinding equipmentd. SulphureDiamondV.sterilizing waterIII. Identify:12. I am a non metal, but I am the hardest of all naturally occurring substance. Who am I?13. Generally non metals possess very poor ductility. I am made up of a non metal. But I as​

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