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The s-Block Elements in One Shot (Old NCERT) Video Lecture | Chemistry for JEE Main & Advanced
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FAQs on The s-Block Elements in One Shot (Old NCERT) Video Lecture - Chemistry for JEE Main & Advanced
| 1. What are the s-block elements mentioned in the NCERT article? |  |
Ans. The s-block elements mentioned in the NCERT article include the elements in Group 1 (alkali metals) and Group 2 (alkaline earth metals) of the periodic table.
| 2. What are the properties of alkali metals discussed in the article? | |
Ans. The article discusses various properties of alkali metals, such as their low melting and boiling points, high reactivity with water and oxygen, tendency to form ionic compounds, and their ability to readily lose an electron to form positive ions.
| 3. How do alkali metals react with water? | |
Ans. Alkali metals react vigorously with water, producing hydrogen gas and the corresponding metal hydroxide. This reaction is highly exothermic, releasing a considerable amount of heat.
| 4. What are the common uses of alkaline earth metals discussed in the article? | |
Ans. The article mentions that alkaline earth metals find various applications in everyday life. For example, magnesium is used in fireworks and flares, calcium is essential for building strong bones and teeth, and barium is used in medical imaging.
| 5. What is the significance of s-block elements in the periodic table? | |
Ans. The s-block elements play a crucial role in the periodic table as they are highly reactive metals. They exhibit similar chemical properties within their respective groups, forming important compounds and participating in various chemical reactions.
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Feb 13, 2025
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