English, asked by gurdevdhillon88, 2 months ago

मैच द फॉलोइंग ड्राइंग ऑफ द अर्थ

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Answered by SmitaMissinnocent

0

what is leaching??

listing is the process in which the ore is concentrated by chemical reaction with a suitable reagent which dissolve the aur but not the impurities.

examples are bauxite is leached with a hot concentrated solution of NaOH which dissolves aluminium while other oxides remain on dissolved.

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