D. Which steps involved
manufocture of potassium dichromate
from chromite one?
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The preparation of potassium dichromate from chromite involves the following main steps: (i) The chromate ore is finely ground and heated strongly with molten alkali in the presence of air. (ii) The solution of sodium chromate is filtered and acidified with dilute sulphuric acid so that sodium dichromate is obtained.
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