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प्रश्न
State a specific reason for using gold in jewellery
उत्तर
Gold is used in jewellery because it is expensive, lustrous, malleable and ductile.
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संबंधित प्रश्न
What are metalloids?
Give two uses of Silicon
Give two uses of Antimony
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 :
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 _______
The most ductile metal 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.
Name the elements recognised as metalloids.
Compare the properties of metalloids with those of metals.
State a specific reason for using steel in automobiles.
Write down the properties of metalloids.
The element which possesses the character of both metals and non metals are called ______.
______ is used as semiconductor.
Give two examples for metalloids.
Metalloids are ______ at room temperature.
