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प्रश्न
State the uses of three different metalloids.
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उत्तर
They are too brittle, to have any structural uses in the pure form.
- Boron: Boron is used as an insecticide and a fire retardant.
- Silicon: Silicon gel is generally applied to burn patients and to absorb moisture.
- Arsenic: It is used for certain medicinal purposes.
- Antimony: It is used as an antiparasitic drug.
- Germanium: It finds application along with other metalloids in cell phones as a semiconductor.
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संबंधित प्रश्न
Give two uses of Silicon
Give two uses of Antimony
Give two uses of Tungsten
Give two uses of Germanium
Fill in the blank
_________ is the hardest compound known to us
Write ‘true’ or ‘false’ for the following statement.
Sand is an oxide of silicon.
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.
Name the elements recognised as metalloids.
State a specific reason for using steel in automobiles.
State a specific reason for using gold in jewellery
Write down the properties of metalloids.
______ is used as semiconductor.
Give two examples for metalloids.
Write three properties of metalloids.
