1.

Writethenameofthemethodofconcentratedappliedforthefollowingores:(i) Zincblende (ii) Haematite (iii) Bauxite

Answer»

SOLUTION :(i) ZINC blende-Frothfloatationsinceitisasulphideore.
(II) Haematite-Hydraulicwashingsince oreparticles are heavierthanimpuritiesofsilicaandclay.
(III) Bauxite-LeachingwithNaOHsinceoreparticlesaresolubleinNaOHbutimpuritiesare not.


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