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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
Fill in the blank
_________ is the hardest compound known to us
Write ‘true’ or ‘false’ for the following statement.
Antimony is a metal.
A metalloid used in the manufacture of microchips used in computer is :
The most ductile metal is _______.
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 what are metalloids.
State the uses of three different metalloids.
State a specific reason for using steel in automobiles.
State a specific reason for using gold in jewellery
State whether the statement given below is true or false. If false write the correct statement.
Silicon is an example of a metalloid.
Write down the properties of metalloids.
The element which possesses the character of both metals and non metals are called ______.
Give two examples for metalloids.
Write three properties of metalloids.
Metalloids are ______ at room temperature.
