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प्रश्न
Write ‘true’ or ‘false’ for the following statement.
Sand is an oxide of silicon.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
What are metalloids?
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.
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.
Name the elements recognised as metalloids.
State the uses of three different metalloids.
State a specific reason for using steel in automobiles.
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.
Write three properties of metalloids.
Metalloids are ______ at room temperature.
