Froth-floatation method is successful in separating impurities from ores because
- AThe pure ore is lighter than water containing additives like pine oil,cresylic acid etc.
- BThe pure ore is soluble in water containing additives like pine oil,cresylic acid etc.
- CThe impurities are soluble in water containing additives like pine oil,cresylic acid etc.
- DThe pure ore is not as easily wetted by water as by pine oil,cresylic acid etc.
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Similar Questions
Leaching is commercially carried out for the concentration of which of the following ores?
Medium
View SolutionGiven below are two statements :
Statement $I :$ Sphalerite is a sulphide ore of zinc and copper glance is a sulphide ore of copper.
Statement $II :$ It is possible to separate two sulphide ores by adjusting proportion of oil to water or by using 'depressants' in a froth flotation method.
Choose the most appropriate answer from the options given below :
Statement $I :$ Sphalerite is a sulphide ore of zinc and copper glance is a sulphide ore of copper.
Statement $II :$ It is possible to separate two sulphide ores by adjusting proportion of oil to water or by using 'depressants' in a froth flotation method.
Choose the most appropriate answer from the options given below :
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called:
MediumAIIMS 2019
View SolutionObserve the following statements regarding the purification of bauxite and select the correct answer.
$(I)$ During the $Hall$ process,silicon is removed in the form of vapor.
$(II)$ Bauxite containing $Fe_2O_3$ impurities is purified by the $Bayer$ process.
$(III)$ $AlN$ is formed during the $Serpeck$ process.
$(I)$ During the $Hall$ process,silicon is removed in the form of vapor.
$(II)$ Bauxite containing $Fe_2O_3$ impurities is purified by the $Bayer$ process.
$(III)$ $AlN$ is formed during the $Serpeck$ process.
Easy
View SolutionAn ore of tin containing $FeCrO_4$ is concentrated by
Easy
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