What is the role of a stabilizer in froth floatation process?

What is the role of a stabilizer in froth floatation process? 
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Ans.: Chemical compounds like cresols and aniline which tend to stabilize the froth are called stabilizers.
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Froth floatation process for the concentration of sulphide ore is an illustration of the practical application of

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The substance used as froth stablisers in froth floatation process is :

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In the Froth Floatation process, zinc sulphide and lead sulphide can be separated by__________

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Froth floatation process for the concentration of sulphide ore is an illustration of the practical application of

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The froth floatation process is used for the concentration of

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Description : Which of the following is used as conditioner in froth floatation process

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The olive oil used in froth floatation process is called

Description : The olive oil used in froth floatation process is called

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The ore that is concentrated by froth floatation process is

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The metallurgical process in which a metal is obtained in a fused state is called - (1) roasting (2) calcinations (3) smelting (4) froth floatation

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The oil used in the froth floatation process is?

Description : The oil used in the froth floatation process is?

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Pine oil and Cresylic acid are used as __________ in the froth floatation process. (A) Frother (B) Collector (C) Depressor (D) Conditioner

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Xanthates are used in the froth floatation process as a/an (A) Conditioner (B) Frother (C) Collector (D) Activator

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Pick out the correct statement.(A) Angle of repose is always greater than the angle of slide (B) A hopper is a small bin with a sloping bottom (C) A silo is a short height vessel of very large diameter used for the storage of high volatile matter coal (D) Pine oil is used as a 'modifying agent' (for activating or depressing the adsorption of filming agents) in froth floatation process

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__________ is an ore concentrating metallurgical process involving a chemical change. (A) Electromagnetic separation (B) Froth floatation (C) Roasting (D) None of these

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Assertion : Sulphide ores are concentrated by Froth Floatation method. Reason : Cresols stabilise the froth in Froth Floatation method

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Froth floatation :

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Which of the following ores are concentrated by froth floatation?

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Uranium is recovered from its ore (pitchblende) by (A) Froth floatation technique (B) Leaching with sulphuric acid (C) Smelting in a furnace (D) Dissolving in water

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Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? (A) Trough washer (B) Baum jig washer (C) Spiral separator (D) Froth floatation

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Froth floatation is the most suitable for treating (A) Iron ores (B) Sulphide ores (C) Quartzite (D) None of these

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Gold ore concentration is mostly done using (A) Jigging (B) Tabling (C) Froth floatation (D) Elutriation

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Pine oil used in froth floatation technique acts as a/an (A) Collector (B) Modifier (C) Frother

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For benefication of iron ore, the most commonly used method is (A) Flocculation (B) Froth floatation (C) Jigging & tabling (D) None of these

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Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called (A) Classification (B) Froth floatation (C) Thickening (D) Clarification

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Froth floatation is used for (A) Washing fine coal dust (< 0.5 mm size) (B) Washing lump coal (> 80 mm size) (C) Removing ash from the coal based on difference in specific gravity of coal and ash

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Concentration of sulphide ores is done usually by (A) Roasting (B) Smelting (C) Froth floatation (D) Electromagnetic separation

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Iron ore hematite is concentrated using (A) Electromagnetic separation mainly (B) Gravity separation (C) Froth floatation (D) Roasting

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Ore concentration by froth floatation utilises the __________ of oreparticles. (A) Density difference (B) Wetting characteristics (C) Terminal velocities (D) None of these

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Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother? (A) Cresylic acid (B) Xanthaies (C) Pine oil (D) All 'a' 'b' & 'c'

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