Hand picking method is used for the concentration of the following ore

Hand picking method is used for the concentration of the following ore
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Hand picking method is used for the concentration of the following ore A. Cassiterite B. Haematite C. Calamine D. Galena
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Which of the following are method of concentration of ore is metals?

Description : Which of the following are method of concentration of ore is metals?

Last Answer : Which of the following are method of concentration of ore is metals? A. girvity ... floation process C. electromagnetic separation D. smelting

Method used for the concentration of tin stone ore is

Description : Method used for the concentration of tin stone ore is

Last Answer : Method used for the concentration of tin stone ore is A. Hand picking B. Froth Floatation C. Magnetic Separation D. Leaching

Describe the method used for concentration of sulphide ore.

Description : Describe the method used for concentration of sulphide ore. 

Last Answer : Process : In this process, the powdered sulphide ore is mixed with water & pine oil. The whole mixture is then stirred vigorously by passing compressed air. The oil forms a froth with air ... ; sink to the bottom of the tank. The floating froth is then skimmed off into settling basins.

Kill azalea catipillars other than by hand picking from plant? Any pesticide?

Description : Kill azalea catipillars other than by hand picking from plant? Any pesticide?

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Hand picking is preferred when -Science

Description : Hand picking is preferred when -Science

Last Answer : the quantity of the mixture is small

What system or method would be useful in picking the lottery numbers?

Description : What system or method would be useful in picking the lottery numbers?

Last Answer : I saw my parents doing a method on how they choose a number in lotto. Sometimes they got the right number, and there are times they will get and win something. But, winning a lotto is definitely with luck. ... to be an odd and even numbers included in one line. But in the end it's all about luck.

What is ore concentration ?

Description : What is ore concentration ?

Last Answer : : The process of removing and purifying mineral water from ore is called concentration of ore.

Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Description : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Last Answer : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to ... molten slag `Fe_(2)(SiO_(3))_(3)`

Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Description : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Last Answer : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove ... is A. 10 B. 20 C. 30 D. 40

Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Description : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Last Answer : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove ... C` C. `FeC_(3)` D. `Fe_(2)C`

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

(A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ore is done by calcinaiton

Description : (A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ore is done by calcinaiton

Last Answer : (A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ... . If (A) is incorrect but (R ) is correct

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

Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at (A) Alwaye (in Kerala) (B) Jadugoda (in Jharkhand) (C) Kalpakkam (in Tamilnadu) (D) Gopalpur coast (in Orissa)

Description : Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at (A) Alwaye (in Kerala) (B) Jadugoda (in Jharkhand) (C) Kalpakkam (in Tamilnadu) (D) Gopalpur coast (in Orissa)

Last Answer : (B) Jadugoda (in Jharkhand)

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

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Last Answer : (B) Tabling

Ore concentration by jigging is based on the difference in the __________ of the particles. (A) Specific gravities (B) Wettability (C) Shape (D) None of these

Description : Ore concentration by jigging is based on the difference in the __________ of the particles. (A) Specific gravities (B) Wettability (C) Shape (D) None of these

Last Answer : (A) Specific gravities

Chance process is used for the (A) Cleaning of coal (B) Concentration of iron ore (C) Concentration of pyrites (D) Water treatment

Description : Chance process is used for the (A) Cleaning of coal (B) Concentration of iron ore (C) Concentration of pyrites (D) Water treatment

Last Answer : (A) Cleaning of coal

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

The correct sequence of steps involved in extraction of metal from its ore is a) removal of impurities, purify metal, reduction of ore b) purify metal, removal of impurities, reduction of metal ore . c) concentration of ore , refining of metal , reduction d) removal of impurities from ore , reduction of ore , refining of metal

Description : The correct sequence of steps involved in extraction of metal from its ore is a) removal of impurities, purify metal, reduction of ore b) purify metal, removal of impurities, reduction of metal ore . c ... of metal , reduction d) removal of impurities from ore , reduction of ore , refining of metal

Last Answer : d) removal of impurities from ore , reduction of ore , refining of metal

Define concentration of ore. Name different methods of concentration.

Description : Define concentration of ore. Name different methods of concentration.

Last Answer : Concentration of ore: The concentration of ore means the removal of gangue or matrix from crushed ore. Methods: i) Gravity separation ii) Electromagnetic separation iii) Froth floatation iv) Calcination v) Roasting

What method is used to thicken oxide ore ?

Description : What method is used to thicken oxide ore ?

Last Answer : Hydrolytic method is used to thicken oxide ore.

Statement-I : `CuFeS_(2)` is concentrated by froath floatation method Statement-II : `CuFeS_(2)` is main ore of copper.

Description : Statement-I : `CuFeS_(2)` is concentrated by froath floatation method Statement-II : `CuFeS_(2)` is main ore of copper.

Last Answer : Statement-I : `CuFeS_(2)` is concentrated by froath floatation method Statement-II : `CuFeS_(2)` is main ore of copper.

The common method for the extraction of metals from the oxide ore is :

Description : The common method for the extraction of metals from the oxide ore is :

Last Answer : The common method for the extraction of metals from the oxide ore is : A. Reduction with carbon B. ... . reduction with `H_(2)` D. electrolytic method

The most suitable method for extraction of copper from low grade sulphide ore is

Description : The most suitable method for extraction of copper from low grade sulphide ore is

Last Answer : The most suitable method for extraction of copper from low grade sulphide ore is A. Smelting ... process C. Leaching process D. Electrolytic process

The method of concentrating the ore which makes use of the difference in density between ore and impurities is called?

Description : The method of concentrating the ore which makes use of the difference in density between ore and impurities is called?

Last Answer : levigation

Extraction of uranium from its ore is done by __________ method. (A) Chemical (B) Pyrometallurgical (C) Physical beneficiation (D) Electrometallurgical

Description : Extraction of uranium from its ore is done by __________ method. (A) Chemical (B) Pyrometallurgical (C) Physical beneficiation (D) Electrometallurgical

Last Answer : (A) Chemical

Method of separating metals which have low melting point I from an ore is?

Description : Method of separating metals which have low melting point I from an ore is?

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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

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

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore? (A) High fusibility & fluidity (B) High thermal conductivity (C) Low density (D) High chemical activity

Description : Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore? (A) High fusibility & fluidity (B) High thermal conductivity (C) Low density (D) High chemical activity

Last Answer : B) High thermal conductivity

Is there any rhyme or reason for illiterate people when they're picking out which form of "there" to use?

Description : Is there any rhyme or reason for illiterate people when they're picking out which form of "there" to use?

Last Answer : Well they knew that something was going on so they used there. And then they were referring to people so they used their. The rest is done by autocorrect.

So I was just at Safeway picking up burrito stuff. The woman in front of me in line was sporting a pet rat in her arms. Would this bother you?

Description : So I was just at Safeway picking up burrito stuff. The woman in front of me in line was sporting a pet rat in her arms. Would this bother you?

Last Answer : Animals in shops are a no-no for me. Except for assistance dogs of course.

Did you know about, and how do you feel about, the fact that according to US law, children as young as 12 can work up to 12 hours per day picking tobacco?

Description : Did you know about, and how do you feel about, the fact that according to US law, children as young as 12 can work up to 12 hours per day picking tobacco?

Last Answer : When child labor laws were put into play, they focused more on factories and the urban workforce. Farmers were left to live how they were. I think we could farm so many more useful crops in ... job if they can get sick from the nicotine. That would be considered reasonably hazardous in my book.

Can you give me any tips on picking up someone from the hospital?

Description : Can you give me any tips on picking up someone from the hospital?

Last Answer : Just thinking that maybe a blanket and pillow in the car would be good in case she has the shakes.

Stephen King fans, who has picked up or is planning on picking up Dr. Sleep (sequel to The Shining)

Description : Stephen King fans, who has picked up or is planning on picking up Dr. Sleep (sequel to The Shining)

Last Answer : I still need to read The Shining… I’m ashamed.

Does anything say true love more than picking up a wild rodent for your wife or s/o?

Description : Does anything say true love more than picking up a wild rodent for your wife or s/o?

Last Answer : Yes. As is getting rid of and of the spiders in the house.

My fellow nit-picking grammar jellies: How should this be written?

Description : My fellow nit-picking grammar jellies: How should this be written?

Last Answer : Well, you definitely don’t want the apostrophe there but otherwise it is o.k. It might be preferable to write out “mid-seventeen hundreds” though.

Need help on picking a wall color/wallpaper?

Description : Need help on picking a wall color/wallpaper?

Last Answer : answer:Personally, I think wallpaper is always wrong. This highly textured wallpaper/wall decoration is even worse to me - I can appreciate it in a period drama or a museum, but I would find it too ... good in a photograph and what looks good in your own home, which is full of your own furnishings.

What is a good excuse for not picking someone up?

Description : What is a good excuse for not picking someone up?

Last Answer : How old were they, and did they make it back safely? Why can’t you just say you forgot instead of making up a lie?

Will figs continue to ripen after picking?

Description : Will figs continue to ripen after picking?

Last Answer : answer:Interesting question. I was just given some figs, fresh from the tree. They are in the fridge, too, and I'm afraid that they will be like bananas, which go bad in the fridge since they are ... don't have an answer. I know this is general, but I thought this might be of interest anyway.

Women: How bad are men at picking up on social situations?

Description : Women: How bad are men at picking up on social situations?

Last Answer : I dunno. I’m really horrible at picking up when men (hell, really all people) are picking up my signals.

The phone rings, and it's ___, you cringe and hate the thought of picking it up?

Description : The phone rings, and it's ___, you cringe and hate the thought of picking it up?

Last Answer : Ex-wife, or mother.

Does anyone else find Google Images one of the most dangerous places to go for picking up malware?

Description : Does anyone else find Google Images one of the most dangerous places to go for picking up malware?

Last Answer : answer:Yes, I've had that problem too. I wonder why is that? I am always tempted to click on Google Images, but I'm very wary about it. It seems doing so creates problems with my computer. ... others will elaborate on their experiences. Can I ask you what kind of harm has been done to your computer?

Are you pretty good at picking out the creepy-creeps?

Description : Are you pretty good at picking out the creepy-creeps?

Last Answer : Oh, yes.

Don't you hate picking a bad ****?

Description : Don't you hate picking a bad wine?

Last Answer : I do hate a bad wine. Luckily that doesn’t happen very often.

How do you differentiate between "friendly teasing" and "picking on"?

Description : How do you differentiate between "friendly teasing" and "picking on"?

Last Answer : answer:Friendly teasing is done in jest with tongue often planted firmly in cheek. Picking on is abusive, most often recurring, and is much more likely to interfere with the tease-ee's day to ... friendly teasing. Telling them they'll never get laid and bringing it up several times is picking.

The German octopus, the cross-eyed possum - do you think there's anything to animals picking winners?

Description : The German octopus, the cross-eyed possum - do you think there's anything to animals picking winners?

Last Answer : answer:Nothing at all. Paul probably just recognized that Spain was the best team and that they were going to win. viva espana ~

Need advice on picking a graphic?

Description : Need advice on picking a graphic?

Last Answer : The one in the middle.

Is picking up bird feathers unsanitary or harmful?

Description : Is picking up bird feathers unsanitary or harmful?

Last Answer : It’s possible that feathers can have traces of poop on them but they’re no more likely to have that than anything else our kids pick up on the streets – I don’t worry about it.

I need help picking out a dog breed!

Description : I need help picking out a dog breed!

Last Answer : miniature schnauzers!!! Sooo cute, don’t shed, sweet, and extremely loyal. and averaged sized, not too small, not too big.