In electrolysis of aluminium oxide which of the following is added to accelerate the process

  • A

    Silica

  • B

    Cryolite

  • C

    Nickel

  • D

    Silicate

Similar Questions

A certain salt $X$, gives the following results.

$(i)$ Its aqueous solution is alkaline to litmus.

$(ii)$ It swells up to a glassy material $Y$ on strong heating.

$(iii)$ When conc. $H_2SO_4$ is added to a hot solution of $X$, white crystal of an acid $Z$ separates out.

Write equations for all the above reactions and identify $X, Y$ and $ Z$.

The function of fluorspar in the electrolytic reduction of alumina dissolved in fused cryolite $(N{a_3}Al{F_6})$ is

  • [IIT 1993]

Name the metals with which $Al$ can form alloy?

Soft heavy metal melts at ${30\,^o}C$ and is used in making heat sensitive thermometers the metal is

Acedic strength of Boron trihalide are in order of