The ores of Copper?

The ores of Copper?
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1 Answer

Answer :

Malachite & Chalcolite
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how many of the following are ores of copper chalopyrite Cuprite , chalcoite ,malachite Azurite ,Bornite ,Limonite ,Zicite ,Braunite .

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In extraction of metal how many of the following ores calcination process is involved . (i) Dolomite (ii) Malachite (iii) Calcite (iv) Copper pyrities

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Copper is the most noble of first row transition metals and occurs in small deposits in serveral countries. Ores of copper include chalcanthite `(CuSO

Description : Copper is the most noble of first row transition metals and occurs in small deposits in serveral countries. Ores of copper include chalcanthite `(CuSO

Last Answer : Copper is the most noble of first row transition metals and occurs in small deposits in serveral ... -reduction. Iron is removed from chalcopyrite as.

Copper is the most noble of first row transition metals and occurs in small deposits in serveral countries. Ores of copper include chalcanthite `(CuSO

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Statement-1: Auto reduction of ores is used for cinnabar, copper glance and Galena ores Statement-2:The sulphide ores of these metals react with their

Description : Statement-1: Auto reduction of ores is used for cinnabar, copper glance and Galena ores Statement-2:The sulphide ores of these metals react with their

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The method used for the enrichment of sulphide ores of copper is

Description : The method used for the enrichment of sulphide ores of copper is

Last Answer : The method used for the enrichment of sulphide ores of copper is A. Mangetic Separation B. Froth floatation process C. Electro refining D. Smelting

In which State is Khetri the area known for copper ores, situated? (1) Himachal Pradesh (2) Assam (3) Rajasthan (4) Karnataka

Description : In which State is Khetri the area known for copper ores, situated? (1) Himachal Pradesh (2) Assam (3) Rajasthan (4) Karnataka

Last Answer : (3) Rajasthan Explanation: Khetri Nagar is a town in Jhunjhunu district of Rajasthan in India. It is known for its Copper Project. The township of Khetri Nagar is built and is under control of the Hindustan Copper Limited, a public sector unit under Government of India.

At a site, low grade copper ores are available and zinc and iron seraps are also available. Which of the two seraps will be more suitable for reducing the leached copper ore and why ?

Description : At a site, low grade copper ores are available and zinc and iron seraps are also available. Which of the two seraps will be more suitable for reducing the leached copper ore and why ?

Last Answer : Ans. : The E0 value for the redox couple Zn2+/ Zn(-0.76V) is more negative than that of Fe2+/ Fe(- 0.44) redox couple. Therefore, Zinc is more reactive than iron and hence reduction will ... Zinc seraps are used, But Zinc is a costier metal than iron so using iron scraps would be more economical.

Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as (A) Bessemer pig (B) Grey or foundry pig (C) White or forge pig (D) Mottled pig

Description : Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as (A) Bessemer pig (B) Grey or foundry pig (C) White or forge pig (D) Mottled pig

Last Answer : Answer: Option A

The process of extraction of metals from their ores; and then refining them for use is known as?

Description : The process of extraction of metals from their ores; and then refining them for use is known as?

Last Answer : metallurgy

The main ores of Aluminium?

Description : The main ores of Aluminium?

Last Answer : Bauxite and Cryolite

The process of purifying Sulphide ores?

Description : The process of purifying Sulphide ores?

Last Answer : Froth Flotation process

The study of metals and the overall process by which metals are extracted from its ores are called?

Description : The study of metals and the overall process by which metals are extracted from its ores are called?

Last Answer : Metallurgy

What is Ores ?

Description : What is Ores ?

Last Answer : Ores: The minerals from which metals are extracted profitably and conveniently are called Ores.

What are ores? Give example. What are ‘placer deposits’? Give example of mineral found in such deposits. -Geography

Description : What are ores? Give example. What are ‘placer deposits’? Give example of mineral found in such deposits. -Geography

Last Answer : The term Ores' is referred to the gathering of such minerals which are mixed with other elements. To make its extraction sodium salt, the mineral content should be in sufficient concentration of the ore ... and the base of hills. Minerals found in such deposits are Gold, Silver, Tin and Platinum.

What are ores? Give example. -SST 10th

Description : What are ores? Give example. -SST 10th

Last Answer : (i) The term ore is used to describe an accumulation of any mineral mixed with other elements. Minerals are usually found in ores. Metals are extracted from the ores after removing the impurities ... . Gold, silver, tin and platinum are examples of some important minerals found in placer deposits'

Which state is the largest producer of manganese ores in India? -SST 10th

Description : Which state is the largest producer of manganese ores in India? -SST 10th

Last Answer : Odisha is the largest producer of manganese ores in India. It accounted for one-third of the country’s total production in 2000-01

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 ores are usually heavier ?

Description : Which ores are usually heavier ?

Last Answer : Oxide ores are usually heavier.

What does Ores mean ?

Last Answer : Ores means ore

Sulfide ores are common for the metals.

Description : Sulfide ores are common for the metals.

Last Answer : Sulfide ores are common for the metals. A. Ag,Cuand Pb B. Ag ,Cu and Sn C. Ag,Mg and Pb D. Al.Cu and Pb

Howw many of the following are ores of zinc : Ainc red Calamine , Willemite ,Hemimorphite,Siderite ,phyrolusite ,olivine ,Anglesite

Description : Howw many of the following are ores of zinc : Ainc red Calamine , Willemite ,Hemimorphite,Siderite ,phyrolusite ,olivine ,Anglesite

Last Answer : Howw many of the following are ores of zinc : Ainc red Calamine , Willemite ,Hemimorphite,Siderite ,phyrolusite ,olivine ,Anglesite

Statement -1 : Ores are generally converted into oxides , prior to reduction . Statement- 2 : Metal oxides can be easily reduced .

Description : Statement -1 : Ores are generally converted into oxides , prior to reduction . Statement- 2 : Metal oxides can be easily reduced .

Last Answer : Statement -1 : Ores are generally converted into oxides , prior to reduction . Statement- 2 : Metal oxides ... -1 : is false , statement-2 : is true

Statement-I : All the ores are mineral Statement-II : Most of the ores contains metals in combined state

Description : Statement-I : All the ores are mineral Statement-II : Most of the ores contains metals in combined state

Last Answer : Statement-I : All the ores are mineral Statement-II : Most of the ores contains metals in combined state

Which of the following pairs is not correctly matched with respect to the extraction of metals from their ores ?

Description : Which of the following pairs is not correctly matched with respect to the extraction of metals from their ores ?

Last Answer : Which of the following pairs is not correctly matched with respect to the extraction of metals from ... -Aluminium and tin from their oxides ores .

How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) Chromite (v) Cinnabar (vi) Calamine (vii) Cerussite (Viii)

Description : How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) Chromite (v) Cinnabar (vi) Calamine (vii) Cerussite (Viii)

Last Answer : How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) ... (vii) Cerussite (Viii) Chalocopyrite (ix) Chalcocite

Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) two ores [X] and [Y] show the following reactivity. (i)

Description : Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) two ores [X] and [Y] show the following reactivity. (i)

Last Answer : Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) ... and hydroxide ores D. Carbonate and oxide ores

Minerals from which metals can be extracted economically and easily are called ores. The extraction of metals from theirs ores involves the following

Description : Minerals from which metals can be extracted economically and easily are called ores. The extraction of metals from theirs ores involves the following

Last Answer : Minerals from which metals can be extracted economically and easily are called ores. The ... . D. roasting followed by electrolytic reduction.

Minerals from which metals can be extracted economically and easily are called ores. The extraction of metals from theirs ores involves the following

Description : Minerals from which metals can be extracted economically and easily are called ores. The extraction of metals from theirs ores involves the following

Last Answer : Minerals from which metals can be extracted economically and easily are called ores. The extraction of metals from ... 2)S+2Cu_(2)O rarr 6Cu+SO_(2)`

Assertion: `Ag` and `Au` are extracted by leaching the ores with a dilute solution of `NaCN`. Reason: Impurities associated with these ores dissolve i

Description : Assertion: `Ag` and `Au` are extracted by leaching the ores with a dilute solution of `NaCN`. Reason: Impurities associated with these ores dissolve i

Last Answer : Assertion: `Ag` and `Au` are extracted by leaching the ores with a dilute solution of `NaCN`. ... . Statement-1 is false but Statement -2 is true

Assertion : Froth flatation process is used to concentrate sulphide ores. Reason : There is a difference in the nature of wettibility of different ore

Description : Assertion : Froth flatation process is used to concentrate sulphide ores. Reason : There is a difference in the nature of wettibility of different ore

Last Answer : Assertion : Froth flatation process is used to concentrate sulphide ores. Reason : There is a difference ... -1 is false but Statement -2 is true

Which of the following faction is of no significance for roasting sulphide ores to the oxide and not subjecting the sulphide ores in carbon reduction

Description : Which of the following faction is of no significance for roasting sulphide ores to the oxide and not subjecting the sulphide ores in carbon reduction

Last Answer : Which of the following faction is of no significance for roasting sulphide ores to the oxide and ... are thermodynamically more stable than `CS_(2)`

Which one of the following ores is best concentrated by froth flotation method:

Description : Which one of the following ores is best concentrated by froth flotation method:

Last Answer : Which one of the following ores is best concentrated by froth flotation method: A. magnetite B. cassiterite C. galena D. malachite.

`Pb` and `Sn` are exerted from their chief ores by:

Description : `Pb` and `Sn` are exerted from their chief ores by:

Last Answer : `Pb` and `Sn` are exerted from their chief ores by: A. Carbon reduction and self ... and self reduction D. Self reduction and electrolysis

Two ores A1 and A2 of a metal M show the following reactivity: `A_(1)=CuCo_(3).Cu(OH)_(3),S=Cu` `P=Cu_(2)I_(2): G=SO_(2)` . Then `A_(2)` is

Description : Two ores A1 and A2 of a metal M show the following reactivity: `A_(1)=CuCo_(3).Cu(OH)_(3),S=Cu` `P=Cu_(2)I_(2): G=SO_(2)` . Then `A_(2)` is

Last Answer : Two ores A1 and A2 of a metal M show the following reactivity: `A_(1)=CuCo_(3).Cu(OH)_(3),S=Cu` `P=Cu_(2) ... )` B. `CuO` C. `CuCO_(3)` D. `Cu_(2)S`

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

To which of the following ores , calcination process is not applicable

Description : To which of the following ores , calcination process is not applicable

Last Answer : To which of the following ores , calcination process is not applicable A. Zns B. `Al_(2)O_(3)2H_(2)O` C. `CuCO_(3).Cu(OH)_(2)` D. `CaCO_(3)`

Which one of the following ores is best concentrated by froth flotation method:

Description : Which one of the following ores is best concentrated by froth flotation method:

Last Answer : Which one of the following ores is best concentrated by froth flotation method: A. KCN B. NaCN C. Sodium ethyl Xanthalate D. Copper sulphate

Match the ores of List-I with their composition in List-II

Description : Match the ores of List-I with their composition in List-II

Last Answer : Match the ores of List-I with their composition in List-II

For the metallurgical process of which of the ores calcined ore can be reduced by carbon?

Description : For the metallurgical process of which of the ores calcined ore can be reduced by carbon?

Last Answer : For the metallurgical process of which of the ores calcined ore can be reduced by carbon? A. haematite B. Calamine C. Iron pyrites D. Sphalerite

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

(A) All minerals are ores (R ) Ores are minerals from which metal can be extracted convenitly and economically

Description : (A) All minerals are ores (R ) Ores are minerals from which metal can be extracted convenitly and economically

Last Answer : (A) All minerals are ores (R ) Ores are minerals from which metal can be extracted convenitly and ... If (A) is incorrect but (R ) is correct

The most electropositive metal are isolated from their ores by

Description : The most electropositive metal are isolated from their ores by

Last Answer : The most electropositive metal are isolated from their ores by A. High temperature reduction ... decomposition D. Electrolysis of fused ionic salts

Which of the following set of elements mostly occur as sulphide ores.

Description : Which of the following set of elements mostly occur as sulphide ores.

Last Answer : Which of the following set of elements mostly occur as sulphide ores. A. Zn, Cu,Na B. Zn, Cu, Pb C. Fe, Al, Ti D. Cu, Ag, Au

Generally sulphide ores are concentrated by following process

Description : Generally sulphide ores are concentrated by following process

Last Answer : Generally sulphide ores are concentrated by following process A. Hand picking B. Washing with water C. Leaching D. Froth floatation

What is metal ores?

Description : What is metal ores?

Last Answer : Metallic ores are rocks that contain metals.Sometimes it contains a metal compound, like Hematite, an ore of Iron, Fe2O3, for example. They can also contain metals that are found in their pure form, like copper ... in ore) and Gold (which does not form compounds). This is known as a 'native' metal.

Is it true that many metals are extracted from ores that contain sulfide minerals?

Description : Is it true that many metals are extracted from ores that contain sulfide minerals?

Last Answer : Feel Free to Answer

The commodity which accounts for the maximum volume of goods transported by the railways in India is (a) iron and steel (b) coal (c) mineral oil (d) metallic ores (other than iron ore)

Description : The commodity which accounts for the maximum volume of goods transported by the railways in India is (a) iron and steel (b) coal (c) mineral oil (d) metallic ores (other than iron ore)

Last Answer : Ans: (b)

Which of the following ores does not contain iron? (1) Haematite (2) Magnetite (3) Limonite (4) Cassiterite

Description : Which of the following ores does not contain iron? (1) Haematite (2) Magnetite (3) Limonite (4) Cassiterite

Last Answer : (4) Cassiterite

Which of the following ores contains maximum percentage of uranium? (A) Carnotite (B) Thorium (C) Rescolite (D) Pitchblende

Description : Which of the following ores contains maximum percentage of uranium? (A) Carnotite (B) Thorium (C) Rescolite (D) Pitchblende

Last Answer : (D) Pitchblende