Metals and Non Metals🔥| CLASS 10| ONE SHOT| Ncert Covered
Exphub 9th &10th・2 minutes read
An iron rod that turned blackish brown due to moisture exposure serves as a lesson's starting point on metals and non-metals, emphasizing key concepts like reactivity, acid-base reactions, and the periodic table. The text further delves into properties, behaviors, and practical applications of metals and non-metals, exploring topics such as electron behavior, conductivity, and specific reactions of metals with water and dilute acids while highlighting crucial processes like roasting, electrolysis, corrosion prevention, and alloying.
Insights
- Metals tend to donate electrons, conduct electricity, and have a positive charge, while non-metals gain electrons, form negative ions, and are poor conductors of heat and electricity, with the behavior influenced by the number of electrons in their outermost shell.
- Understanding the reactivity series is crucial, as it helps in comprehending how metals react with water or steam, with amphoteric oxides like aluminum oxide showcasing the ability to react with both acids and bases, indicating their amphoteric nature.
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Recent questions
What are the properties of metals and non-metals?
Metals conduct electricity, donate electrons; non-metals gain electrons, poor conductors.
How do metals react with water?
Metals react with water to form metal oxide and hydrogen, continuing if water is present.
What is the significance of the periodic table in studying metals and non-metals?
The periodic table helps understand the properties and behavior of metals and non-metals.
How can corrosion of metals be prevented?
Corrosion prevention techniques include painting, oiling, and galvanization.
What is the process of extracting metals from ores?
Metals are extracted from ores through processes like roasting, electrolysis, and alloying.
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