Aluminium has a great affinity for oxygen and its oxidation is an exothermic process. This fact is made use of in

  • A

    Preparing thin foils of aluminium

  • B

    Making utensils

  • C

    Preparing duralumin alloy

  • D

    Thermite welding

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Boric acid is an acid because its molecule

Consider the following statements for diborane 

$1.$  Boron is approximately $sp^3$ hybridized

$2.$  $B-H-B$ angle is $180^o$

$3.$  There are two terminal $B-H$ bonds for each boron atom

$4.$  There are only $12$ bonding electrons available

Of these statements

During water-gas shift reaction

  • [JEE MAIN 2023]

Anhydrous aluminium chloride fumes in moist air owing to the formation of

In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to