Which of the following statements is correct about the role of substances added in the froth floation process?
(a) Collectors enhance the non-wettability of the mineral particles.
(b) Collectors enhance the wettability of gangue particles.
(c) By using depressants in the process two sulphide ores can be separated.
(d) Froth stabilisers decrease wettability of gangue.
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Answer:
a and c are the correct ones.
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