Class 10 Exam > Class 10 Videos > Science Olympiad for Class 10 > Explanation: Metals & Nonmetals
Explanation: Metals & Nonmetals Video Lecture | Science Olympiad for Class 10
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FAQs on Explanation: Metals & Nonmetals Video Lecture - Science Olympiad for Class 10
| 1. What are some examples of metals? |  |
Ans. Some examples of metals are iron, copper, aluminum, gold, and silver. Metals are typically shiny, solid, and good conductors of heat and electricity.
| 2. What are the properties of nonmetals? | |
Ans. Nonmetals have properties opposite to those of metals. They are generally dull in appearance, poor conductors of heat and electricity, and brittle. Examples of nonmetals include oxygen, nitrogen, carbon, sulfur, and chlorine.
| 3. How are metals and nonmetals different from each other? | |
Ans. Metals and nonmetals differ in various ways. Metals are usually solid at room temperature, while nonmetals can exist in all three states (solid, liquid, gas). Metals are good conductors of heat and electricity, whereas nonmetals are poor conductors. Additionally, metals tend to be malleable and ductile, while nonmetals are usually brittle.
| 4. Can metals and nonmetals combine to form compounds? | |
Ans. Yes, metals and nonmetals can combine to form compounds. These compounds are called ionic compounds and are formed through the transfer of electrons from the metal to the nonmetal. For example, sodium (a metal) combines with chlorine (a nonmetal) to form sodium chloride, commonly known as table salt.
| 5. What are some uses of metals and nonmetals in everyday life? | |
Ans. Metals have a wide range of uses in everyday life. For example, iron is used in construction and manufacturing, copper is used in electrical wiring, and aluminum is used in beverage cans. Nonmetals also have important applications, such as oxygen being essential for respiration and nitrogen being used in fertilizers.
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Dec 24, 2024 Last updated |
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