Dolomite is an ore of which metal?

Dolomite is an ore of which metal?
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Magnesium
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Which of the following is an ore of iron? (a) Bauxite (b) Haematite (c) Dolomite (d) Alunite

Description : Which of the following is an ore of iron? (a) Bauxite (b) Haematite (c) Dolomite (d) Alunite

Last Answer : Ans: (b)

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)

Which of the following is not an ore of magnesium? (1) Carnallite (2) Dolomite (3) Calamine (4) Sea water

Description : Which of the following is not an ore of magnesium? (1) Carnallite (2) Dolomite (3) Calamine (4) Sea water

Last Answer : (3) Calamine

What is the principal ore of aluminium? (1) Dolomite (2) Copper (3) Lignite (4) Bauxite

Description : What is the principal ore of aluminium? (1) Dolomite (2) Copper (3) Lignite (4) Bauxite

Last Answer : (4) Bauxite Explanation: Bacodte is an aluminium ore and is the main source of aluminium. This form of rock consists mostly of the minerals gibbsite, boehmite , and diaspore , in a mixture ... it was first recognised as containing aluminium and named by the French geologist Pierre Berthier in 1821.

Tick out the incorrect match: List I (Ore) List II (Mineral) a) Dolomite- MgCO3 b) Gibbsite3- H2O c) Gypsum2- H2O d) Geothite- Fe2O3

Description : Tick out the incorrect match: List I (Ore) List II (Mineral) a) Dolomite- MgCO3 b) Gibbsite3- H2O c) Gypsum2- H2O d) Geothite- Fe2O3

Last Answer : d) Geothite- Fe2O3

__________ is used as a flux in the smelting of copper ore like chalcopyrite. (A) Coke breeze (B) Lime powder (C) Silica/quartz (D) Dolomite

Description : __________ is used as a flux in the smelting of copper ore like chalcopyrite. (A) Coke breeze (B) Lime powder (C) Silica/quartz (D) Dolomite

Last Answer : (C) Silica/quartz

What is the principal ore of aluminium ? (1) Dolomite (2) Copper (3) Lignite (4) Bauxite

Description : What is the principal ore of aluminium ? (1) Dolomite (2) Copper (3) Lignite (4) Bauxite

Last Answer : Bauxite

How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

Description : How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

Last Answer : How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

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

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

Last Answer : In extraction of metal how many of the following ores calcination process is involved . (i) Dolomite ... Siderite (viii) Iron pyrite (ix) Ar gentite

What is Dolomite Signal ?

Description : What is Dolomite Signal ?

Last Answer : Dolomite signal CaCO3. MgCO3 .

What are the chemical signals of dolomite ?

Description : What are the chemical signals of dolomite ?

Last Answer : Chemical symbol of dolomite CaCO3.MgCO3

Among the following list of malachite ,marble anglestite ,azurtite ,dolomite ,sedererite ,calamine and chromite

Description : Among the following list of malachite ,marble anglestite ,azurtite ,dolomite ,sedererite ,calamine and chromite

Last Answer : Among the following list of malachite ,marble anglestite ,azurtite ,dolomite ,sedererite ,calamine and chromite

Lime stone, Sand stone and Dolomite are

Description : Lime stone, Sand stone and Dolomite are

Last Answer : Ans. Sedimentary rocks

Which of the following is an example of Plutonic Igneous Rock? (1) Basalt (2) Granite (3) Slate (4) Dolomite

Description : Which of the following is an example of Plutonic Igneous Rock? (1) Basalt (2) Granite (3) Slate (4) Dolomite

Last Answer : (2) Granite Explanation: When magma solidifies under the earth's surface, it forms plutonic rock bodies or plutons. The most common rock types in plutons are granite, granodiorite, tonalite, monzonite, and quartz diorite.

Dolomite is a/an – (1) Sedimentary rock (2) Plutonic rock (3) Igneous rock (4) Metamorphic rock

Description : Dolomite is a/an – (1) Sedimentary rock (2) Plutonic rock (3) Igneous rock (4) Metamorphic rock

Last Answer : (1) Sedimentary rock Explanation: Dolomite a sedimentary rock resembling limestone but consisting principally of the mineral dolomite. It is an important source of magnesium and its compounds, and is used as ... Valley-Type (MVT) ore deposits of base metals such as lead, zinc, and copper.

Which of the following is not an Igneous Rock? (1) Dolomite (2) Granite (3) Basalt (4) Gabbro

Description : Which of the following is not an Igneous Rock? (1) Dolomite (2) Granite (3) Basalt (4) Gabbro

Last Answer : (1) Dolomite Explanation: Dolomite is a common sedimentary rock-forming mineralcomposed of calcium magnesium carbonate, ideally CaMg(CO3)2. It is the primary component of the sedimentary rock ... rock known as dolomitic marble. Limestone that contains some dolomite is known as dolomitic limestone

Iron is extracted from - (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite

Description : Iron is extracted from - (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite

Last Answer : (2) Haematite Explanation: Haematite is mined as the main ore of iron. It is harder than pure iron, but much more brittle. It is coloured black to steel or silver-gray, brown to reddish brown, or red.

Which one of the following is not coal variety? (1) Lignite (2) Bituminous (3) Dolomite (4) Peat

Description : Which one of the following is not coal variety? (1) Lignite (2) Bituminous (3) Dolomite (4) Peat

Last Answer : (3) Dolomite Explanation: Dolomite is a common rockforming mineral. It is a calcium magnesium carbonate with a chemical composition of CaMg(CO3)2. It is the primary component of the sedimentary ... known as dolomitic marble. Dolomite is used in the Pidgeon process for the production of magnesium.

Coke oven walls are lined with __________ bricks. (A) Silica (B) Tar-dolomite (C) Low thermal conductivity (D) Fire clay

Description : Coke oven walls are lined with __________ bricks. (A) Silica (B) Tar-dolomite (C) Low thermal conductivity (D) Fire clay

Last Answer : (A) Silica

Which of the following is the most widely used heat insulating material for pipelines carrying steam? (A) Tar dolomite bricks followed by asbestos (B) Fireclay refractory followed by aluminium sheet (C) Cotton followed by aluminium foil (D) 85% magnesia cement and glass wool

Description : Which of the following is the most widely used heat insulating material for pipelines carrying steam? (A) Tar dolomite bricks followed by asbestos (B) Fireclay refractory followed by aluminium sheet (C) Cotton followed by aluminium foil (D) 85% magnesia cement and glass wool

Last Answer : (D) 85% magnesia cement and glass wool

Which of the following is not an additive for flue gases from furnace to reduce its dew-point? (A) Ammonia (B) Fine dolomite (C) Alkaline powders (D) None of these

Description : Which of the following is not an additive for flue gases from furnace to reduce its dew-point? (A) Ammonia (B) Fine dolomite (C) Alkaline powders (D) None of these

Last Answer : (D) None of these

Rotary kilns are used in the (A) Calcination of limestone & dolomite (B) Cement manufacture (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Rotary kilns are used in the (A) Calcination of limestone & dolomite (B) Cement manufacture (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Which of the following is easily weatherable mineral a. Quartz b. Gypsum c. Calcite d. Dolomite

Description : Which of the following is easily weatherable mineral a. Quartz b. Gypsum c. Calcite d. Dolomite

Last Answer : c. Calcite

Example of secondary minerals a. Gypsum b. Calcite c. Dolomite d. All of these

Description : Example of secondary minerals a. Gypsum b. Calcite c. Dolomite d. All of these

Last Answer : d. All of these

Which of the following is used for calcination of limestone and dolomite in industrial practice? (A) Fluidised bed reactor (B) Moving bed reactor (C) Fixed bed reactor (D) None of these

Description : Which of the following is used for calcination of limestone and dolomite in industrial practice? (A) Fluidised bed reactor (B) Moving bed reactor (C) Fixed bed reactor (D) None of these

Last Answer : (B) Moving bed reactor

Lime and dolomite are common source of — in soil. a. N b. Ca c. Zn d. K

Description : Lime and dolomite are common source of — in soil. a. N b. Ca c. Zn d. K

Last Answer : b. Ca

Main constituent of dolomite is (A) CaCO3 (B) MgCO3 (C) K2CO3 (D) Na2CO3

Description : Main constituent of dolomite is (A) CaCO3 (B) MgCO3 (C) K2CO3 (D) Na2CO3

Last Answer : (B) MgCO3

Dolomite is a lime stone which contains carbonate of magnesia upto (A) 15 % (B) 20 % (C) 25 % (D) 45 %

Description : Dolomite is a lime stone which contains carbonate of magnesia upto (A) 15 % (B) 20 % (C) 25 % (D) 45 %

Last Answer : Answer: Option D

The sequence of refractory materials according to increasing melting points is: (A) Dolomite, Magnesia, Bauxite, Chromites (B) Bauxite, Chromites, Dolomite, Magnesia (C) Magnesia, Bauxite, Dolomite, Chromites (D) None of these

Description : The sequence of refractory materials according to increasing melting points is: (A) Dolomite, Magnesia, Bauxite, Chromites (B) Bauxite, Chromites, Dolomite, Magnesia (C) Magnesia, Bauxite, Dolomite, Chromites (D) None of these

Last Answer : Answer: Option B

Stone generally preferred for railway ballast is a) Sandstone b) Dolomite c) Marble d) Basalt or trap granite*

Description : Stone generally preferred for railway ballast is a) Sandstone b) Dolomite c) Marble d) Basalt or trap granite*

Last Answer : d) Basalt or trap granite*

Which of the following is the mineral name for ordinary salt? w) biotite x) calcite y) halite z) dolomite

Description : Which of the following is the mineral name for ordinary salt? w) biotite x) calcite y) halite z) dolomite

Last Answer : ANSWER: Y -- HALITE

All of the following are examples of chemically precipitated sedimentary rock except: w) limestone x) sandstone y) dolomite

Description : All of the following are examples of chemically precipitated sedimentary rock except: w) limestone x) sandstone y) dolomite

Last Answer : ANSWER: X -- SANDSTONE

Which one of the following is not coal variety? (1) Lignite (2) Bituminous (3) Dolomite (4) Peat

Description : Which one of the following is not coal variety? (1) Lignite (2) Bituminous (3) Dolomite (4) Peat

Last Answer : Dolomite

Iron is extracted from (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite

Description : Iron is extracted from (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite

Last Answer : Haematite

Which of the following is not an Igneous Rock? (1) Dolomite (2) Granite (3) Basalt (4) Gabbro

Description : Which of the following is not an Igneous Rock? (1) Dolomite (2) Granite (3) Basalt (4) Gabbro

Last Answer : Dolomite

Which of the following is an example of Plutonic Igneous Rock? (1) Basalt (2) Granite (3) Slate (4) Dolomite

Description : Which of the following is an example of Plutonic Igneous Rock? (1) Basalt (2) Granite (3) Slate (4) Dolomite

Last Answer : Granite

Dolomite is a/an (1) Sedimentary rock (2) Plutonic rock (3) Igneous rock (4) Metamorphic rock

Description : Dolomite is a/an (1) Sedimentary rock (2) Plutonic rock (3) Igneous rock (4) Metamorphic rock

Last Answer : Sedimentary rock

Name the ore from which aluminium is obtained. Why is aluminium considered to be an important metal? -Geography

Description : Name the ore from which aluminium is obtained. Why is aluminium considered to be an important metal? -Geography

Last Answer : Aluminium is obtained from the Bauxite Ore. There are many ores that contain aluminium but Bauxite is clay-like substance from which alumina and later aluminium are acquired. It is formed ... state in India and the most important Bauxite deposit are the Panchpatmali deposits in Koraput district.

10.(a) An ore on treatment with dilute hydrochloric acid produces brisk effervesces. What type of ore is this? What steps will be required to obtain metal from the enriched ore. , (b) Copper coin is kept immersed in silver nitrate solution for some time. What change will take place in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry

Description : 10.(a) An ore on treatment with dilute hydrochloric acid produces brisk effervesces. What type of ore is this? What steps will be required to obtain metal from the enriched ore. , (b) ... in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry

Last Answer : (a) Carbonate ore: (i) Calcination: Carbonate ore is heated in limited supply of air and oxide is obtained, e.g. (b) Copper, being more reactive than silver will displace silver from silver nitrate ... and there will be deposition of silver on copper coin. The colour of solution will turn to blue.

Cinebara is the ore of which metal? -General Knowledge

Description : Cinebara is the ore of which metal? -General Knowledge

Last Answer : Cinnabar is an ore of metal X.It exists in the lower order of the reactivity series.Here the metal X is mercury. Mercury is extracted by froth flotation method. HgS + O2 = Hg+ SO2 riddhi324221

Which of the following is an example of a solution Iron metal, iron ore, iron alloy, iron rust?

Description : Which of the following is an example of a solution Iron metal, iron ore, iron alloy, iron rust?

Last Answer : An iron alloy(Explanation): Iron metal is a pure substance, so it cannot be a solution, so it's not that one. An iron ore is found in nature and is iron chemically combined with other substances, so ... where you heat the metal to a liquid and mix in other metals like zinc to make pennies and stuff)

What is metal ore ?

Description : What is metal ore ?

Last Answer : A mineral that can be easily extracted is called ore.

Chalocosite ore of which metal ?

Last Answer : Chalocosite cu metal ore

How many of the following statement is /are ture for calcination of metal ore ?

Description : How many of the following statement is /are ture for calcination of metal ore ?

Last Answer : How many of the following statement is /are ture for calcination of metal ore ? A. (i) It makes ... of crystlliation D. Impurities of S,As and Sb are

Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of NaCN in presence of air. Statement-2:This is an

Description : Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of NaCN in presence of air. Statement-2:This is an

Last Answer : Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of ... -1 is false but Statement -2 is true

Assertion : Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal. Reason : Copp

Description : Assertion : Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal. Reason : Copp

Last Answer : Assertion : Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation ... : Copper is extracted by hydrometallurgy.

In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

Description : In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

Last Answer : In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with A. FeS B. CO C. `Cu_(2)S` D. `SO_(2)`

(A) Auto reduction of ore is used for the extraction of copper (R ) The sulphide ore of copper reacts with its oxide to the give the metal

Description : (A) Auto reduction of ore is used for the extraction of copper (R ) The sulphide ore of copper reacts with its oxide to the give the metal

Last Answer : (A) Auto reduction of ore is used for the extraction of copper (R ) The sulphide ore of copper reacts ... . If (A) is incorrect but (R ) is correct

In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with coke is called

Description : In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with coke is called

Last Answer : In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with ... B. roasting C. calcination D. None of these

In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

Description : In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

Last Answer : In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with A. FeS B. CO C. `Cu_(2)S` D. `SO_(2)`