A. Hot water
B. Hexane
C. Lime water
D. Dilute H2SO4 (hot)
Related Mcqs:
- Coffee is prepared from coffee beans by leaching with____________________?
A. Cold water
B. Hot water
C. Dilute hot caustic solution
D. Naphtha - Leaching of sugar from sugar beets is done by___________________?
A. Hot water
B. Hexane
C. Dilute H2SO4
D. Lime water - Extraction of coffee from its seed is done by___________________?
A. Liquid-liquid extraction
B. Leaching
C. Extractive distillation
D. Steam distillation - The ‘shanks system’ of leaching (i.e., counter-current multiple contact leaching) is used for____________________?
A. Recovery of tannis from the tree barks and woods
B. Leaching sodium nitrate from Chilean nitrate bearing rock
C. Both A. and B.
D. Neither A. nor B. - Leaching of uranium ore and gold ore is done in_____________________?
A. Centrifugal extractor
B. Pachuca tanks
C. Bollman extractor
D. None of these - Leaching of uranium ore and gold ore is done in________________________?
A. Centrifugal extractor
B. Pachuca tanks
C. Bollman extractor
D. None of these - With increase in temperature, the leaching rate increases because of the _____________________?
A. Increased diffusivity
B. Decreased viscosity of liquid
C. Both A. and B.
D. Neither A. nor B. - Leaching of coarse solid lumps is also termed as _____________________?
A. Decoction
B. Dissolution
C. Percolation
D. Agitation and settling - With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system) ?
A. Increases
B. Decreases
C. Remain unaffected
D. Increases Linearly - Degree of freedom for leaching and solvent extraction process is_____________________?
A. 0
B. 1
C. 2
D. 3
