Moissan boron is
- AAmorphous boron of ultra purity
- BCrystalline boron of ultra purity
- CAmorphous boron of low purity
- DCrystalline boron of low purity
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Similar Questions
Give the chemical reaction of aluminum with dilute $HCl$.
Easy
View SolutionThe number of neutrons present in the more abundant isotope of boron is $x$. Amorphous boron upon heating with air forms a product,in which the oxidation state of boron is $y$. The value of $x+y$ is ...
Which of the following boron compounds is the hardest?
Easy
View SolutionThe incorrect statement regarding the above reactions is:
$Al \xrightarrow{HCl(aq.)} 'X' + \text{Gas } 'P'$
$Al \xrightarrow{NaOH(aq.) + H_2O} 'Y' + \text{Gas } 'Q'$
$Al \xrightarrow{HCl(aq.)} 'X' + \text{Gas } 'P'$
$Al \xrightarrow{NaOH(aq.) + H_2O} 'Y' + \text{Gas } 'Q'$
Difficult
View SolutionThe alloy formed from aluminum is ............ .
Easy
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