Moissan boron is
Moissan boron is
- A
Amorphous boron of ultra purity
- B
Crystalline boron of ultra purity
- C
Amorphous boron of low purity
- D
Crystalline boron of low purity
Similar Questions
Give origin of group $13$ elements
Give origin of group $13$ elements
Give name of group $13$ elements.
Give name of group $13$ elements.
Explain the nature of boric acid as a Lewis acid in water.
Explain the nature of boric acid as a Lewis acid in water.
The correct statements among $I$ to $III$ regarding group $13$ element oxides are,
$I$. Boron trioxide is acidic
$II$. Oxides of aluminium and gallium are amphoteric
$III$. Oxides of indium and thallium are basic
The correct statements among $I$ to $III$ regarding group $13$ element oxides are,
$I$. Boron trioxide is acidic
$II$. Oxides of aluminium and gallium are amphoteric
$III$. Oxides of indium and thallium are basic
- [JEE MAIN 2019]
Heating an aqueous solution of aluminium chloride to dryness will give:
Heating an aqueous solution of aluminium chloride to dryness will give: