Home→ Chemical Engineering Basics →The leaching solvent used in Baeyer’s process for the purification of bauxite is___________________?

Boiling point of water gets lowered at high altitudes (e.g., hills), because __________?
The process of removal of scale formed during hot rolling of steel is termed as__________?
Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is__________?
Which of the following is used to produce draught in the locomotive boilers ?
Which of the following materials has the least scrap value ?
Young’s modulus of a material is the measure of its __________?
Tumbling is the process of improving the __________ of the materials/parts ?
Which of the following is not categorised as the ore agglomeration process ?
In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient) ?
Sub zero treatment of steel is done to__________?
The most detrimental impurity in high pressure boiler feed water is __________?
Biological shield in a nuclear reactor is generally provided to protect against the__________?
The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by __________?
Plastics as a material of construction suffer from the drawback of low__________?
A reduction in thermal resistance during heat transfer does not occur in the__________?
Colour comparator is used to measure the__________?
Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight ?
Rain drops falling through atmospheric air attain limited terminal velocity, because of __________?
Powder metallurgy technique is used in the production of __________ tools ?
Chlorine acts as a bleaching agent only in the presence of __________?
Upto the critical radius of insulation, added insulation, will__________?
Case hardening is not done by__________?
Oxide layer formed on the non-ferrous metal surface after its annealing is__________?
The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability ?
Which of the following is not used as a bearing material ?
Pick out the correct combination about the role of various additives used in polymers ?
In multipass welds, shot peening is done after each pass to__________?
Shampoos are commercially not available in the form of __________?
Which of the following is an ore dressing operation ?

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

Correct Answer: Sodium carbonate ✔

Last Updated: February 08, 2019