SSC CGL Exam > SSC CGL Videos > SSC CGL Tier 2 - Study Material, Online Tests, Previous Year > Important Facts About Metals
Important Facts About Metals Video Lecture | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
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FAQs on Important Facts About Metals Video Lecture - SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
| 1. What are metals? |  |
Ans. Metals are elements that have several common characteristics such as being shiny, malleable, ductile, and good conductors of heat and electricity. They are usually found in solid form and have a high melting point.
| 2. How many metals are there in the periodic table? | |
Ans. There are 91 metals listed in the periodic table, including common ones like iron, copper, and aluminum, as well as less known ones like scandium, yttrium, and thallium.
| 3. What are the properties of metals? | |
Ans. Metals have various properties, including high thermal and electrical conductivity, ductility (ability to be stretched without breaking), malleability (ability to be hammered into thin sheets), and metallic luster (shiny appearance). They also tend to have high melting and boiling points.
| 4. How are metals classified? | |
Ans. Metals can be classified into two main categories: ferrous metals and non-ferrous metals. Ferrous metals contain iron as the main component, such as steel and cast iron. Non-ferrous metals do not contain iron and include metals like copper, aluminum, and gold.
| 5. What are the uses of metals? | |
Ans. Metals have numerous applications in various industries. For example, iron and steel are used in construction, transportation, and manufacturing. Copper is used in electrical wiring and plumbing. Aluminum is used in aircraft construction and packaging materials. Gold and silver are used in jewelry and currency.
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Dec 26, 2024 Last updated |
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