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Difference in density is the basis of
Options
(a) ultrafiltration
(b) molecular sieving
(c) gravity separation
(d) molecular attraction
Correct Answer:
gravity separation
Explanation:
Gravity separation or hydraulic washing is the process of separating the lighter gangue particles from the heavier ore particles by washing in a current of water. This is also called Levigation, and is generally used for oxide ores and carbonate ores.this method is based on the difference in densities of the ore particles and impurities.
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Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following sulphides when heated strongly in air gives the corres
- The ionisation potential for hydrogen atom is 13.6eV, the ionization potential for He⁺
- For a chemical reaction X → Y,it is found that rate of the reaction is increased
- An aqueous solution of CoCl₂ on addition of excess of concentration HCl
- A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength
Topics: Basic Principles of Organic Chemistry (124)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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