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प्रश्न
Give two uses of Silicon
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उत्तर
- Highly pure silicon is used in making microchips for computers, transistors, solar cells, rectifiers and other solid state devices that are used extensively in the electronic and present space age industries.
- It is used in the manufacture of a waterproof material called “silicone”. Silicone is used to make bags, umbrellas, raincoats, etc.
- It is an important substance present in steel, an alloy of carbon.
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संबंधित प्रश्न
What are metalloids?
Give two uses of Antimony
Give two uses of Tungsten
Give two uses of Germanium
Write ‘true’ or ‘false’ for the following statement.
Antimony is a metal.
A metalloid used to make glass :
A metalloid used in the manufacture of microchips used in computer is :
Give the basic demarkation of the Modern Periodic Table into metals, metalloids and non-metals with special reference to halogens and noble gases.
Give a reason why the non-metals – halogens and noble gases are placed in separate groups of the periodic table with special reference to their difference in properties.
State a specific reason for using steel in automobiles.
State a specific reason for using gold in jewellery
The element which possesses the character of both metals and non metals are called ______.
______ is used as semiconductor.
Give two examples for metalloids.
Metalloids are ______ at room temperature.
