General Principles and Processes of Isolation of Elements
In blast furnace, iron oxide is reduced by
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Sometimes it is possible to separate two sulphide ores by adjusting the proportion of oil to water by using depressants. When a depressant NaCN is added to an ore containing ZnS and PbS, what is the correct observation?
Froth floatation process of concentration is based on the
The oil used in the froth flotation method for the purification of ore is:
Assertion :Froth-flotation process is used to concentrate sulphide ores. Reason :There is difference in the wettability of different minerals.
Select the correct statment(s):
Difference in density is the basis of
Which oil is used as frother in froth floatation process?
Which of the following process does not involve heating?