Indicate the steps in the preparation of:
(i). `K_2Cr_2O_7` from chromite ore.
(ii). `KMnO_4` from pyrolusite ore

Indicate the steps in the preparation of: (i) K_(2)Cr_(2)O_(7) from chromite ore. " " (ii) KMnO_(4) from pyrolusite ore.

Indicate the steps in the preparation of KMnO_4 .

Indicate the steps in the preparation of K_2Cr_2O_7 from chromite ore.

Indicate the steps in the preparation of : KMnO_(4) from pyrolusite ore.

(a) Indicate the steps in the preparation of K_2Cr_2O_7 from chromite ore. (b) Complete the reaction: K_2Cr_2O_7 overset(Delta)(to)

Write chemical reaction for preparation of K2Cr207 from chromite ore.

Write down the equations involved in the preparation of K_(2)Cr_(2)O_(7) from chromite ore.