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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 Silicon
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 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.
State what are metalloids.
Compare the properties of metalloids with those of metals.
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
The element which possesses the character of both metals and non metals are called ______.
Metalloids are ______ at room temperature.
