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

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

(3) Calamine
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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

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

The formula of calamine ore is

Description : The formula of calamine ore is

Last Answer : The formula of calamine ore is A. ZnS B. `FeCO_(3)` C. `ZnCO_(3)` D. `Cu_(2)S`

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.

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

Dolomite is an ore of which metal?

Description : Dolomite is an ore of which metal?

Last Answer : Magnesium

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)

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

Carnalite is present in sea water mainly. It is the main ore of magnesium which has the chemicakl fromula `MgCl_(2).KCl.xH_(2)O` . The value of x is .

Description : Carnalite is present in sea water mainly. It is the main ore of magnesium which has the chemicakl fromula `MgCl_(2).KCl.xH_(2)O` . The value of x is .

Last Answer : Carnalite is present in sea water mainly. It is the main ore of magnesium which has the chemicakl fromula `MgCl_(2).KCl.xH_(2)O` . The value of x is .

During the electrolysis of carnallite , `MgCl_(2)` is decomposed and not KCl . This is because of :

Description : During the electrolysis of carnallite , `MgCl_(2)` is decomposed and not KCl . This is because of :

Last Answer : During the electrolysis of carnallite , `MgCl_(2)` is decomposed and not KCl . This is because of : A. lower ... both (A) and (B) D. none of the above

What is Calamine ?

Description : What is Calamine ?

Last Answer : Calamine is a type of lotion which is basically zinc carbonate ( ZnCO3) .

Which chemical is present in calamine lotion ?

Description : Which chemical is present in calamine lotion ?

Last Answer : : Zinc carbonate ( ZnCO3) is present in calamine lotion.

Which of the following materials consists of a powder in water? a) Suspension A suspension requires shaking before application, exemplified by calamine lotion.

Description : Which of the following materials consists of a powder in water? a) Suspension A suspension requires shaking before application, exemplified by calamine lotion. b) Hygroscopic agent A hygroscopic agent is a ... and ointment. d) Linament A linament is a lotion with oil added to prevent crusting.

Last Answer : a) Suspension A suspension requires shaking before application, exemplified by calamine lotion.

What is the sign of calamine ?

Description : What is the sign of calamine ?

Last Answer : Clamine signal ZnCO3

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

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

Which diagram is correctly related to the extraction of Zn from Calamine?

Description : Which diagram is correctly related to the extraction of Zn from Calamine?

Last Answer : Which diagram is correctly related to the extraction of Zn from Calamine? A. Calamine` overset(" ... ore`overset("Reduction by carbon") rarr Zn`

Is Calamine lotion a good chigger treatment to alleviate itching?

Description : Is Calamine lotion a good chigger treatment to alleviate itching?

Last Answer : Calamine lotion is the prescribed treatment for chiggers. It should dry them out eventually.

What is the chemical name of calamine?

Description : What is the chemical name of calamine?

Last Answer : Anhydrous calcium chloride

When a bee stings ,a paste of calamine is applied because (a) Bee sting consist of base. (b) To neutralized the effect of formic acid injected via bee sting (c) Both (A) and (B) (d) None

Description : When a bee stings ,a paste of calamine is applied because (a) Bee sting consist of base. (b) To neutralized the effect of formic acid injected via bee sting (c) Both (A) and (B) (d) None

Last Answer : (b) To neutralized the effect of formic acid injected via bee sting

What are the names and symbols of the main ore of Magnesium ?

Description : What are the names and symbols of the main ore of Magnesium ?

Last Answer : The main ore of magnesium is called Magnesite and its symbol is MgCO3 .

Which ore contains both calcium and magnesium?

Description : Which ore contains both calcium and magnesium?

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 : (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.

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

What is the most common salt in sea water? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Description : What is the most common salt in sea water? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Last Answer : (3) Sodium chloride Explanation: Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the formula NaCl, representing equal proportions of sodium and ... for the salinity of the ocean and of the extracellular fluid of many multi-cellular organisms.

What is the most common salt in sea water ? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Description : What is the most common salt in sea water ? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Last Answer : Sodium chloride

Which metal is extracted from sea water? (1) Potassium (2) Magnesium (3) Aluminium (4) Beryllium

Description : Which metal is extracted from sea water? (1) Potassium (2) Magnesium (3) Aluminium (4) Beryllium 

Last Answer : Magnesium

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

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

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

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*