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

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

1 Answer

Answer :

(C) Frother
by

Related questions

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

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

Last Answer : (A) Frother

In froth floatation, chemical agent added to cause air adherence is called (A) Collector (B) Frother (C) Modifier (D) Activato

Description : In froth floatation, chemical agent added to cause air adherence is called (A) Collector (B) Frother (C) Modifier (D) Activato

Last Answer : (A) Collector

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'

Description : 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 ... A) Cresylic acid (B) Xanthaies (C) Pine oil (D) All 'a' 'b' & 'c'

Last Answer : (B) Xanthaies

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

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

Last Answer : (C) Collector

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

Description : 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 ... used as a 'modifying agent' (for activating or depressing the adsorption of filming agents) in froth floatation process

Last Answer : (B) A hopper is a small bin with a sloping bottom

What is the role of collector in froth floatation process ?

Description : What is the role of collector in froth floatation process ?

Last Answer : Ans. Collector enhances non-wettability of the mineral particles. 

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

Description : 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

Last Answer : (B) Leaching with sulphuric acid

The olive oil used in froth floatation process is called

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

Last Answer : The olive oil used in froth floatation process is called A. Frothing agent B. Lubricating agent C. Conditioning agent D. Both 1 and 2

The oil used in the froth floatation process is?

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

Last Answer : pine oil

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

Description : Which of the following is the most suitable for cleaning of fine coal dust (

Last Answer : (D) Froth floatation

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

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

Last Answer : (B) Sulphide ores

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

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

Last Answer : (B) Tabling

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

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

Last Answer : (C) Jigging & tabling

There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. (A) Classification (B) Tabling (C) Jigging (D) Froth floatation

Description : There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. (A) Classification (B) Tabling (C) Jigging (D) Froth floatation

Last Answer : (D) Froth floatation

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

Description : 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

Last Answer : (A) Classification

Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? (A) Cresylic acid (B) Copper sulphate (C) Calcium carbonate (D) Sodium carbonate

Description : Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? (A) Cresylic acid (B) Copper sulphate (C) Calcium carbonate (D) Sodium carbonate

Last Answer : (B) Copper sulphate

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

Description : 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

Last Answer : (A) Washing fine coal dust (< 0.5 mm size)

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

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

Last Answer : (C) Froth floatation

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

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

Last Answer : (C) Roasting

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

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

Last Answer : (B) Gravity separation

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

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

Last Answer : (B) Wetting characteristics

When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Description : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Last Answer : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth ... ]` D. They cannot be separated by adding NaCN

When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Description : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Last Answer : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth ... ]` D. They cannot be separated by adding NaCN

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

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

Last Answer : Froth floatation process for the concentration of sulphide ore is an illustration of the practical ... B. absorption C. sedimentation D. cogulation

In the froth floatation process for the purification of minerals the particles float because

Description : In the froth floatation process for the purification of minerals the particles float because

Last Answer : In the froth floatation process for the purification of minerals the particles float because A. they ... by oil D. They bear an electrostatic charge.

When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Description : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Last Answer : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as ... _(4)]` D. both (1) and (2)

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

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

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

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

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

Last Answer : The substance used as froth stablisers in froth floatation process is : A. Fatty acids B. Aniline C. pine oil D. Xanthates

Froth floatation :

Description : Froth floatation :

Last Answer : Froth floatation : A. Froth carries the mineral particles B. Froth carries gangue particles C. Froth ... by oils while gangue become wet by water.

Which of the following ores are concentrated by froth floatation?

Description : Which of the following ores are concentrated by froth floatation?

Last Answer : Which of the following ores are concentrated by froth floatation? A. haematite B. Galena C. Copper pyrites D. Magnetite

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

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

Last Answer : In the Froth Floatation process, zinc sulphide and lead sulphide can be separated by__________ A. ... C. using depressent D. using froth stablisers

Which of the following statements is correct about the role of substances addedd in the froth floatation process?

Description : Which of the following statements is correct about the role of substances addedd in the froth floatation process?

Last Answer : Which of the following statements is correct about the role of substances addedd in the froth ... D. Froth stablisers decrease wettability of gangue.

Froth floatation process used for the concentration of sulphide ore. Which of the following statements are correct (a) It is based on the difference i

Description : Froth floatation process used for the concentration of sulphide ore. Which of the following statements are correct (a) It is based on the difference i

Last Answer : Froth floatation process used for the concentration of sulphide ore. Which of the following statements are correct (a) ... . (a), (b) ( c) are correct

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

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

Last Answer : Froth floatation process for the concentration of sulphide ore is an illustration of the practical ... B. absorption C. sedimentation D. coagulateion

The froth floatation process is used for the concentration of

Description : The froth floatation process is used for the concentration of

Last Answer : The froth floatation process is used for the concentration of A. ore having low density ore ... high density D. ore having water soluble gangue

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

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

Last Answer : Which of the following is used as conditioner in froth floatation process A. Pine oil B. Sodium ethyl xanthate C. Sodium carbonate D. Olive oil

The ore that is concentrated by froth floatation process is

Description : The ore that is concentrated by froth floatation process is

Last Answer : The ore that is concentrated by froth floatation process is A. Chalcopyrites B. Cryolite C. Cuprite D. Calamine

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

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

Last Answer : (3) smelting Explanation: The metallurgical process in which a metal is obtained in a fused state is called smelting.

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

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

Last Answer : Ans.: Chemical compounds like cresols and aniline which tend to stabilize the froth are called stabilizers.

Statement -I In forth floatation process sodium ethyl xanthale is used as collector. Statemant -2Sulphide oress are waer soluble .

Description : Statement -I In forth floatation process sodium ethyl xanthale is used as collector. Statemant -2Sulphide oress are waer soluble .

Last Answer : Statement -I In forth floatation process sodium ethyl xanthale is used as collector. Statemant -2Sulphide oress are waer soluble .

How to Use a Coffee Milk Frother?

Description : How to Use a Coffee Milk Frother?

Last Answer : Café's are very popular offering various specialty brewed coffeeand tea sections to its customers. Common specialty coffees andteas are usually made with milk in one way or another. Frothingmilk for a ... . Cheaper espresso machine that come with a steam wandattachment don't froth or steam well.

Why would someone purchase an Electric Milk Frother when a whisk works just as well?

Description : Why would someone purchase an Electric Milk Frother when a whisk works just as well?

Last Answer : The electric milk frother is generally not used for baking and someone would buy it for making cappuccinos, lattes and other coffee beverages that require frothed milk. The electric milk frother can ... to manual whisks. Some people use the electric milk frother for just making hot frothed milk.

The component labeled 'CR1' in the circuit shown in the illustration __________________. EL-0085 A. varies its anode/cathode polarity depending on 'RL' current B. rectifies the varying voltage from the collector of 'Q1' C. acts as a low capacitive reactance to smooth ripple D. establishes a constant reference voltage for the base of 'Q1'

Description : The component labeled 'CR1' in the circuit shown in the illustration __________________. EL-0085 A. varies its anode/cathode polarity depending on 'RL' current B. rectifies the varying voltage from the ... reactance to smooth ripple D. establishes a constant reference voltage for the base of 'Q1'

Last Answer : Answer: D

Which oil is used in the floatation method for the purification of ores? -General Knowledge

Description : Which oil is used in the floatation method for the purification of ores? -General Knowledge

Last Answer : The answer is 'Pine oil'

Which oil is used in the floatation method for the purification of ores?

Description : Which oil is used in the floatation method for the purification of ores?

Last Answer : Hole

Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? (A) Phosphorous (B) Carbon black (C) Pine oil (D) Rosin

Description : Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? (A) Phosphorous (B) Carbon black (C) Pine oil (D) Rosin

Last Answer : (B) Carbon black

Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by (A) Chemical coagulation (B) Floatation & skimming (C) Centrifugation (D) Ultra filtration

Description : Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by (A) Chemical coagulation (B) Floatation & skimming (C) Centrifugation (D) Ultra filtration

Last Answer : (A) Chemical coagulation

Do you use both commas when a modifier follows a coordinating conjunction?

Description : Do you use both commas when a modifier follows a coordinating conjunction?

Last Answer : Depends on whether or not I want to emphasise.

Did you know that caffeine is an alkaloid and a behavior modifier?

Description : Did you know that caffeine is an alkaloid and a behavior modifier?

Last Answer : It always stuns me when people do not know caffeine is very addictive or that they are addicted. They think because they can drink a cup or coffee or glass of Coke and go to sleep they must not be addicted. Wrong. Go without the drug and see the withdrawal begin.