A. Exchange between two liquid phases
B. Exchange between a gaseous phase and a liquid phase
C. Exchange between a liquid phase and an organic resin phase
D. Exchange between a solid phase and a gas phase
Related Mcqs:
- The leaching solvent used in Baeyer’s process for the purification of bauxite is___________________?
A. Ammonium hydroxide
B. Sodium carbonate
C. Sodium hydroxide
D. Ammonium carbonate - Which of the following metals is not subjected to electrolytic refining/purification ?
A. Copper
B. Zinc
C. Tin
D. Aluminium - Liquor poisoning generally occurs due to the presence of _______________ in it?
A. Ethyl alcohol
B. Impurities
C. Methyl alcohol
D. Carbonic acid - Electrometallurgical methods of metal extraction is normally used for those metals___________________?
A. Whose oxide/ore is not reduced by carbon
B. Which fall in the category of alkali & alkaline earth metals
C. Which stands higher in the electrochemical series of the metal
D. All A, B. & C. - Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are____________________?
A. Nickel, cobalt & chromium
B. Tungsten, chromium & cobalt
C. Manganese, chromium & cobalt
D. Tungsten, molybdenum & nickel - In practice, the compression ratio of compression-ignition (CI) engine ranges from ______________________?
A. 15 to 25
B. 5 to 10
C. 40 to 55
D. 60 to 70 - ____________________ flux is used for the extraction of metal from its self fluxing ores?
A. No
B. Acid
C. Basic
D. Neutral - Nickel and ______________ are the alloying element added in steel to increase its toughness?
A. Molybdenum
B. Chromium
C. Vanadium
D. Silicon - Thermit welding is categorised as the ______________________ welding ?
A. Forge
B. Fusion
C. Resistance
D. Arc - Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________________ method?
A. Diminishing balance
B. Sinking fund
C. Multiple straight line
D. Sum of the years digit
