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प्रश्न
Write ‘true’ or ‘false’ for the following statement.
Antimony is a metal.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
What are metalloids?
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.
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.
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.
Write down the properties of metalloids.
______ is used as semiconductor.
Write three properties of metalloids.
