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Uses of Metals and Nonmetals Video Lecture | Lucent for GK - UPSC
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FAQs on Uses of Metals and Nonmetals Video Lecture - Lucent for GK - UPSC
| 1. What are the uses of metals and nonmetals? |  |
Ans. Metals have a wide range of uses, including being used in construction (steel, aluminum), electrical wiring (copper), and transportation (iron, aluminum). Nonmetals, on the other hand, are used in various industries such as pharmaceuticals (carbon), electronics (silicon), and agriculture (phosphorus).
| 2. Can metals and nonmetals be combined to create new materials? | |
Ans. Yes, metals and nonmetals can be combined to create new materials called metalloids. Metalloids possess properties of both metals and nonmetals, making them useful in fields like semiconductors and alloys.
| 3. Are all metals and nonmetals equally abundant in nature? | |
Ans. No, the abundance of metals and nonmetals varies in nature. For example, metals like iron, aluminum, and copper are relatively abundant, while nonmetals like gold and platinum are scarce. Additionally, some nonmetals like oxygen and carbon are abundant in the Earth's atmosphere and crust.
| 4. Are all metals and nonmetals conductive? | |
Ans. No, not all metals and nonmetals are conductive. Metals are generally good conductors of heat and electricity, while nonmetals are poor conductors. However, there are exceptions like graphite, a form of carbon that is a good conductor of electricity.
| 5. What are the physical properties that distinguish metals from nonmetals? | |
Ans. Metals generally have high electrical and thermal conductivity, malleability, ductility, and luster. They also tend to be solid at room temperature (except for mercury). Nonmetals, on the other hand, are usually poor conductors, brittle, and lack luster. They can exist in various states of matter, including solids (carbon), liquids (bromine), and gases (oxygen).
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Nov 21, 2024 Last updated |
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