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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 Germanium
Fill in the blank
_________ is the hardest compound known to us
Write ‘true’ or ‘false’ for the following statement.
Antimony is a metal.
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 :
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Saline glucose is a solution of glucose and _______
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.
Name the elements recognised as metalloids.
State whether the statement given below is true or false. If false write the correct statement.
Silicon is an example of a metalloid.
______ is used as semiconductor.
Give two examples for metalloids.
Write three properties of metalloids.
