Method used for the concentration of tin stone ore is

Method used for the concentration of tin stone ore is
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Method used for the concentration of tin stone ore is A. Hand picking B. Froth Floatation C. Magnetic Separation D. Leaching
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Roasted tin-stone ore after washing with water is known as

Description : Roasted tin-stone ore after washing with water is known as

Last Answer : Roasted tin-stone ore after washing with water is known as A. Moistuyre is removed B. As ... makes it sutiable for ready reduction to metallic iron.

The ore of Tin known asTin stone?

Description : The ore of Tin known asTin stone?

Last Answer : Cassiterite

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

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

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

Last Answer : Hand picking method is used for the concentration of the following ore A. Cassiterite B. Haematite C. Calamine D. Galena

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.

An ore of tin containing `FeCrO_(4)` is concentrated by

Description : An ore of tin containing `FeCrO_(4)` is concentrated by

Last Answer : An ore of tin containing `FeCrO_(4)` is concentrated by A. Mangetic Separation B. ... floatation process C. Electrotatic method D. Gravity separation

Which of the following minerals are found in a natural way in the State of Chhattisgarh ? 1. Bauxite 2. Dolomite 3. Iron ore 4. Tin Select the correct answer using the code given below : [IAS 2008] (a) 1, 2 and 3 only (b) 1 and 3 only (c) 2 and 4 only (d) 1, 2, 3 and 4

Description : Which of the following minerals are found in a natural way in the State of Chhattisgarh ? 1. Bauxite 2. Dolomite 3. Iron ore 4. Tin Select the correct answer using the code given below : [IAS 2008] (a) 1, 2 and 3 only (b) 1 and 3 only (c) 2 and 4 only (d) 1, 2, 3 and 4

Last Answer : Ans: (d)

The main ore of Tin?

Description : The main ore of Tin?

Last Answer : Cassiterite

Chalcopyrite is the main ore of(A) Copper(B) Lead(C) Tin(D) Iron

Description : Chalcopyrite is the main ore of (A) Copper (B) Lead (C) Tin (D) Iron

Last Answer : (A) Copper

Electrometallurgy is not involved in the extraction of __________ from its ore. (A) Aluminium (B) Tin (C) Lead (D) Both (B) & (C)

Description : Electrometallurgy is not involved in the extraction of __________ from its ore. (A) Aluminium (B) Tin (C) Lead (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C)

Cassiterite is an ore of (A) Tin (B) Lead (C) Molybdenum (D) Chromium

Description : Cassiterite is an ore of (A) Tin (B) Lead (C) Molybdenum (D) Chromium

Last Answer : (A) Tin

Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron

Description : Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron

Last Answer : ANSWER: W -- ZINC

Which of the following metals is obtained from its most common ore using an electrolytic process? w) nickel x) tin y) aluminum z) manganese

Description : Which of the following metals is obtained from its most common ore using an electrolytic process? w) nickel x) tin y) aluminum z) manganese

Last Answer : ANSWER: Y -- ALUMINUM

If the ore impurities is (A) Clay, lime stone is used as flux (B) Lime stone, clay is used as flux (C) Quartz, lime stone and argillaceous iron ores are used as flux (D) All the above

Description : If the ore impurities is (A) Clay, lime stone is used as flux (B) Lime stone, clay is used as flux (C) Quartz, lime stone and argillaceous iron ores are used as flux (D) All the above

Last Answer : Answer: Option D

Three basic raw materials which are needed in large quantities for production of steel are (A) Iron ore, coal and sulphur (B) Iron ore, carbon and sulphur (C) Iron ore, coal and lime stone (D) Iron ore, carbon and lime stone

Description : Three basic raw materials which are needed in large quantities for production of steel are (A) Iron ore, coal and sulphur (B) Iron ore, carbon and sulphur (C) Iron ore, coal and lime stone (D) Iron ore, carbon and lime stone

Last Answer : Answer: Option C

If the iron ore contains clay as an impurity, the flux added during calcination, is (A) Clay (B) Lime stone (C) Argillaceous iron ore (D) All the above

Description : If the iron ore contains clay as an impurity, the flux added during calcination, is (A) Clay (B) Lime stone (C) Argillaceous iron ore (D) All the above

Last Answer : Answer: Option B

H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware

Description : H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware

Last Answer : (A) Aluminium, mild steel, stainless steel, concrete & tin

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

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

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

Statement-I : Lead, tin and bismuth are purified by liquation method. Statement-II : Lead, tin and bismuth have low m.p as compared to impurities.

Description : Statement-I : Lead, tin and bismuth are purified by liquation method. Statement-II : Lead, tin and bismuth have low m.p as compared to impurities.

Last Answer : Statement-I : Lead, tin and bismuth are purified by liquation method. Statement-II : Lead, tin and bismuth have low m.p as compared to impurities.

(A) Led, tin and bismuth are purified by liquation method. (R ) Lead, tin and bismuth have low m.p. as compared to impuriites.

Description : (A) Led, tin and bismuth are purified by liquation method. (R ) Lead, tin and bismuth have low m.p. as compared to impuriites.

Last Answer : (A) Led, tin and bismuth are purified by liquation method. (R ) Lead, tin and bismuth have low m.p. as ... D. If (A) is incorrect but (R ) is correct

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?

Last Answer : Liquation

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

The most practical method used for resurfacing a ship's service motor commutator is to _____________. A. turn it down in the ship's lathe B. use a grinding rig C. use a hand stone D. burnish it with commutator stones

Description : The most practical method used for resurfacing a ship's service motor commutator is to _____________. A. turn it down in the ship's lathe B. use a grinding rig C. use a hand stone D. burnish it with commutator stones

Last Answer : Answer: B

Name the method by which the stone of the kidney could be removed without surgery.

Description : Name the method by which the stone of the kidney could be removed without surgery.

Last Answer : Lithotripsy. In this process kidney stones are crushed inside by ultrasonic waves and removed along with urine.  

MODI Method to test the optimality of a feasible solution to TP is also called............... a. Stepping Stone Method b. u. v. Method c. both a and b d. none of these

Description : MODI Method to test the optimality of a feasible solution to TP is also called............... a. Stepping Stone Method b. u. v. Method c. both a and b d. none of these

Last Answer : b. u. v. Method