Advertisements
Advertisements
प्रश्न
Give two uses of Tungsten
उत्तर
- It is used in making electrodes.
- It is used in heating elements.
- It is used as filaments in electric bulbs and cathode ray tubes.
APPEARS IN
संबंधित प्रश्न
What are metalloids?
Give two uses of Germanium
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 _______
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.
Compare the properties of metalloids with those of metals.
State a specific reason for using gold in jewellery
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.
Metalloids are ______ at room temperature.
