The ore that is concentrated by froth floatation process is
- Azincite
- Bcinnabar
- Cbauxite
- Dmalachite
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The process of ore dressing is carried out to
Easy
View SolutionWhich of the following statements is not correct?
$(i)$ Froth-floatation is used for removing gangue from sulphide ore.
$(ii)$ Cresols are used to stabilise the froth.
$(iii)$ Sodium cyanide can be used as depressant for preferential separation.
$(iv)$ Aniline can be used as froth enhancer.
$(i)$ Froth-floatation is used for removing gangue from sulphide ore.
$(ii)$ Cresols are used to stabilise the froth.
$(iii)$ Sodium cyanide can be used as depressant for preferential separation.
$(iv)$ Aniline can be used as froth enhancer.
The purification of alumina is called
Which soluble substances are obtained when bauxite is treated with a solution of $NaOH$ at a temperature of $473 - 523 \ K$ and a pressure of $35 - 36 \ bar$?
Medium
View SolutionThe substance used as froth stabilisers in the froth-floatation process is
DifficultAIEEE 2012
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