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G HOTS (Higher Order Thinking Skills)1. What do you call the black substance that is present in pencils? Is it a metal or anon-metal? (Hint: Recall the properties of non-metals.) |
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Answer» Black substance in the lead pencil is graphite is non metal but contact electricity like those of carbon brush of drills.Graphite is carbon of lead element which handle heat fire and electric contacts,soft like talc and smooth Black substance in the lead pencil is graphite is non metal but contact electricity like those of carbon brush of drills.Graphite is carbon of lead element which handle heat fire and electric contacts,soft like talc and smooth. THE BLACK SUBSTANCE IS CALLED GRAPHITE WHICH IS A NON METAL |
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