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Mentals And Non-metals NCERT Textbook Exercise Class 10 Science

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Published in: Chemistry | Education | Science
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Mentals and Non-metals NCERT textbook exercise class 10 Science

Sreedevi P / Al Wakrah

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  1. Examples Of Metals 1. A metal that is a liquid at room temperature: Mercury: This heavy, silvery-white metal is the only element that is liquid at room temperature. It is Often used in thermometers and barometers. 2. A metal that can be easily cut with a knife: • Sodium: A soft, silvery-white metal that can be easily cut with a knife. It is highly reactive and must be stored under Oil or kerosene to prevent it from reacting with air or water. 3. The best conductor of heat: • Silver: This precious metal is the best conductor of heat among all metals. It is often used in electrical contacts, mirrors, and jewelry. 4. A poor conductor of heat: • Lead: This heavy, soft, and malleable metal is a poor conductor Of heat. It is used in batteries, plumbing, and ammunition. Malleable and Ductile • Malleable: A metal that can be hammered or pressed into thin sheets without breaking. • Ductile: A metal that can be drawn into wires. Example: Gold is both malleable and ductile. It can be hammered into extremely thin sheets (like gold leaf) and drawn into fine wires.

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