For which ore of the metal,froth floatation method is used for concentration?
- AHorn silver
- BBauxite
- CCinnabar
- DHaematite
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Similar Questions
Match the method of concentration of the ore in column $I$ with the ore in column $II$ and select the correct alternate :
$I$ $II$ $X$. Magnetic separation $a$. $Ag_2S$ $Y$. Froth floatation $b$. $FeCr_2O_4$ $Z$. Gravity separation $c$. $Al_2(SiO_3)_3$
| $I$ | $II$ |
| $X$. Magnetic separation | $a$. $Ag_2S$ |
| $Y$. Froth floatation | $b$. $FeCr_2O_4$ |
| $Z$. Gravity separation | $c$. $Al_2(SiO_3)_3$ |
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In the froth floatation process for the purification of ores,the ore particles float because
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