Chemistry, asked by jkaur2639, 9 months ago

plzzz give me a following answers step by step

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Answered by dhruvsinghal127

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n froth floatation process,depressants helps to separate two sulphide ores by selective prevention of froth formation by one ore and allowing the other to come into froth. ... It selectively allows PbS form froth, but prevents ZnS from coming to froth.
The impure nickel reacts with carbon monoxide at 50–60 °C to form the gas nickel carbonyl, leaving the impurities as solids. - Mond process is a method for refining nickel. ... - Nickel is traeted with carbon monoxide to give nickel carbonyl gas which can be separated easily
The separation of the alumina from the impurities in the bauxite ore is usually accomplished by the Bayer Process. In this process the ground bauxite is leached with caustic soda (NaOH) to produce soluble sodium aluminate (NaAlO2), leaving the impurities in the insoluble residue.

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