The most important ore of lead is (1) Galena (2) Magnetite (3) Pyrolusite (4) Siderite

The most important ore of lead is (1) Galena (2) Magnetite (3) Pyrolusite (4) Siderite
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Galena
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The most important ore of lead is – (1) Galena (2) Magnetite (3) Pyrolusite (4) Siderite

Description : The most important ore of lead is – (1) Galena (2) Magnetite (3) Pyrolusite (4) Siderite

Last Answer : (1) Galena Explanation: Galena is the natural mineral form of lead sulfide. It is the most important lead ore mineral. Galena is one of the most abundant and widely distributed sulfide minerals.

__________ is an ore of lead. (A) Quartz (B) Galena (C) Siderite (D) Chalcopyrite

Description : __________ is an ore of lead. (A) Quartz (B) Galena (C) Siderite (D) Chalcopyrite

Last Answer : (B) Galena

Which mineral is the ore of aluminium? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite

Description : Which mineral is the ore of aluminium? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite

Last Answer : (2) Bauxite Explanation: Bauxite is an aluminium ore and is the main source of aluminium. Approximately 70% to 80% of the world's dry bauxite production is processed first into alumina, and then into aluminium by electrolysis.

The iron ore which contains 72% of iron is – (1) Magnetite (2) Limonite (3) Haematite (4) Siderite

Description : The iron ore which contains 72% of iron is – (1) Magnetite (2) Limonite (3) Haematite (4) Siderite

Last Answer : (1) Magnetite Explanation: Iron (Fe) is a metallic element and composes about 5% of the Earth's crust. When pure it is a dark, silvery-gray metal. It is a very reactive element ... alloy. Iron-nickel meteorites are believed to represent the earliest material formed at the beginning of the universe.

Which mineral is the ore of aluminium ? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite

Description : Which mineral is the ore of aluminium ? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite

Last Answer : Bauxite

The iron ore which contains 72% of iron is : (1) Magnetite (2) Limonite (3) Haematite (4) Siderite

Description : The iron ore which contains 72% of iron is : (1) Magnetite (2) Limonite (3) Haematite (4) Siderite

Last Answer : Magnetite

Which of the following is not a pyrite ore? (A) Celestite (B) Galena (C) Gypsum (D) Siderite

Description : Which of the following is not a pyrite ore? (A) Celestite (B) Galena (C) Gypsum (D) Siderite

Last Answer : (D) Siderite

Pig iron is produced by blast furnaces in India using mostly the iron ore named (A) Hematite (B) Magnetite (C) Siderite (D) Chalcopyrite

Description : Pig iron is produced by blast furnaces in India using mostly the iron ore named (A) Hematite (B) Magnetite (C) Siderite (D) Chalcopyrite

Last Answer : (A) Hematite

Which one of the following is a mineral of iron? (1) Magnetite (2) Malachite (3) Cassiterite (4) Pyrolusite

Description : Which one of the following is a mineral of iron? (1) Magnetite (2) Malachite (3) Cassiterite (4) Pyrolusite

Last Answer : Magnetite

Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.

Description : Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.

Last Answer : Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.

Which of the following minerals is not subjected to magnetic separation method? (A) Rutile (B) Galena (C) Chromite (D) Siderite

Description : Which of the following minerals is not subjected to magnetic separation method? (A) Rutile (B) Galena (C) Chromite (D) Siderite

Last Answer : (B) Galena

Upto a maximum of 72% of iron, is available in (A) Magnetite (B) Limonite (C) Siderite (D) Iron pyrites

Description : Upto a maximum of 72% of iron, is available in (A) Magnetite (B) Limonite (C) Siderite (D) Iron pyrites

Last Answer : Answer: Option A

Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver

Description : Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver

Last Answer : ANSWER: Y -- LEAD

The most important ore of aluminium is (a) Bauxite (b) Magnetite (c) Haematite (d) Monazite

Description : The most important ore of aluminium is (a) Bauxite (b) Magnetite (c) Haematite (d) Monazite

Last Answer : Ans:(a)

Which of the following is a metallic ore? (1) Mica (2) Quartz (3) Feldspar (4) Galena

Description : Which of the following is a metallic ore? (1) Mica (2) Quartz (3) Feldspar (4) Galena

Last Answer : (4) Galena Explanation: Galena is the most abundant lead mineral. It is a metallic, lead-gray mineral with cubic cleavage and a distinctly high density. It belongs to the octahedral sulfide group of minerals with metal ions in octahedral positions.

Which of the following is a metallic ore ? (1) Mica (2) Quartz (3) Feldspar (4) Galena

Description : Which of the following is a metallic ore ? (1) Mica (2) Quartz (3) Feldspar (4) Galena

Last Answer : Galena

Which of the following is an iron ore? (1) Bauxite (2) Magnetite (3) Lignite (4) Nitrite

Description : Which of the following is an iron ore? (1) Bauxite (2) Magnetite (3) Lignite (4) Nitrite

Last Answer : (2) Magnetite Explanation: Magnetite is a 'mineral, one of the two common naturally occurring oxides of Iron. It is the most magnetic of all the naturally occurring minerals on Earth.

Which of the following is an iron ore ? (1) Bauxite (2) Magnetite (3) Lignite (4) Nitrite

Description : Which of the following is an iron ore ? (1) Bauxite (2) Magnetite (3) Lignite (4) Nitrite

Last Answer : Magnetite

Siderite is an ore of–

Description : Siderite is an ore of–

Last Answer : Iron

The main ore of thorium is (A) Pitchblende (B) Monazite sand (C) Limonite (D) Galena

Description : The main ore of thorium is (A) Pitchblende (B) Monazite sand (C) Limonite (D) Galena

Last Answer : (B) Monazite sand

Which of the following is an ore of iron? (A) Galena (B) Chalcopyrite (C) Hematite (D) Bauxite

Description : Which of the following is an ore of iron? (A) Galena (B) Chalcopyrite (C) Hematite (D) Bauxite

Last Answer : (C) Hematite

The iron ore magnetite consists of?

Description : The iron ore magnetite consists of?

Last Answer : Fe203

Which of the following is also known as 'Galena'? (1) Lead sulphate (2) Lead oxide (3) Lead sulphide (4) Calcium sulphate

Description : Which of the following is also known as 'Galena'? (1) Lead sulphate (2) Lead oxide (3) Lead sulphide (4) Calcium sulphate

Last Answer : (3) Lead sulphide Explanation: Galena, also called lead glance, is the natural mineral form of lead sulfide. It is the most important ore of lead and an important source of silver.

Galena is a mineral of (1) iron (2) gold (3) lead (4) calcium

Description : Galena is a mineral of (1) iron (2) gold (3) lead (4) calcium

Last Answer : lead

Why lime stone is added in the extraction of lead from galena ?

Description : Why lime stone is added in the extraction of lead from galena ?

Last Answer : Why lime stone is added in the extraction of lead from galena ? A. It prevents the formation of ... moves the impurity of iron oxide as fusible slag.

Main source of lead is galena `(PbS)`. It is converted to Pb by `:` Self`-` reduction process is `:`

Description : Main source of lead is galena `(PbS)`. It is converted to Pb by `:` Self`-` reduction process is `:`

Last Answer : Main source of lead is galena `(PbS)`. It is converted to Pb by `:` Self`-` reduction process is `:` A. A B. B C. both D. none

Why lime stone is added in the extraction of lead from galena?

Description : Why lime stone is added in the extraction of lead from galena?

Last Answer : Why lime stone is added in the extraction of lead from galena? A. It prevents the formation of ... moves the impurity of iron oxide as fusible slag.

Galena (PbS) on heating in limited supply of air gives lead metal. This is known as

Description : Galena (PbS) on heating in limited supply of air gives lead metal. This is known as

Last Answer : Galena (PbS) on heating in limited supply of air gives lead metal. This is known as A. ... B. Calcination C. Self reduction D. Sulphatizing roasting

Which of the following minerals is a source of lead? w) Bauxite x) Hematite y) Malachite z) Galena

Description : Which of the following minerals is a source of lead? w) Bauxite x) Hematite y) Malachite z) Galena

Last Answer : ANSWER: Z -- GALENA

Pyrolusite is the oxide mineral of

Description : Pyrolusite is the oxide mineral of

Last Answer : Pyrolusite is the oxide mineral of A. Iron B. Selnium C. Magnanse D. Magnesium

What is Galena ?

Description : What is Galena ?

Last Answer : Galena is lead sulfide or lead sulfate.

Which of the following minerals is a source of iro w) Bauxite (pron: box-ite) x) Hematite (pron: he-ma-tite) y) Malachite (pron: mal-ah-kite) z) Galena (pron: ga-lee-nah)

Description : Which of the following minerals is a source of iro w) Bauxite (pron: box-ite) x) Hematite (pron: he-ma-tite) y) Malachite (pron: mal-ah-kite) z) Galena (pron: ga-lee-nah)

Last Answer : ANSWER: X -- HEMATITE

Cinnabar, pyrite and galena are minerals which consist of one or more metals combined with the same element. Which one of the following is the element that is common to all three of these minerals? Is it: w) iron x) copper y) sulfur z) sodium

Description : Cinnabar, pyrite and galena are minerals which consist of one or more metals combined with the same element. Which one of the following is the element that is common to all three of these minerals? Is it: w) iron x) copper y) sulfur z) sodium

Last Answer : ANSWER: C-- SULFUR

What is the signal of magnetite ?

Description : What is the signal of magnetite ?

Last Answer : The chemical signal of magnetite is Fe₃O₄

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

How many oxygen atoms are there in one formula unit of magnetite?

Description : How many oxygen atoms are there in one formula unit of magnetite?

Last Answer : ANSWER: FOUR

Among the following iron ores, the highest percentage of iron content is found in— (1) Haemetite (2) Magnetite (3) Limnonite (4) None of these

Description : Among the following iron ores, the highest percentage of iron content is found in— (1) Haemetite (2) Magnetite (3) Limnonite (4) None of these

Last Answer : Haemetite

Commercially important ore of Lead is

Description : Commercially important ore of Lead is

Last Answer : Commercially important ore of Lead is A. Siderite B. Galena C. Sphalerite D. Haematite

Most important ore of Lead is–

Description : Most important ore of Lead is–

Last Answer : Galena

Is siderite a gemstone, mineral, meteorite, or all of the above?

Description : Is siderite a gemstone, mineral, meteorite, or all of the above?

Last Answer : I’m going to go with mineral, but minerals can look different depending on how they crystalize, so sometimes they can be shiny making them look like gems. https://en.wikipedia.org/wiki/Siderite

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

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

Is siderite soluble in water?

Description : Is siderite soluble in water?

Last Answer : Siderite is not soluble in water.

Cinnabar is an ore/mineral of – (1) Lead (2) Manganese (3) Molybdenum (4) Mercury

Description : Cinnabar is an ore/mineral of – (1) Lead (2) Manganese (3) Molybdenum (4) Mercury

Last Answer : (4) Mercury Explanation: Cinnabarrefers to the common bright scarlet to brick red form of mercuryasullide (HgS) that is the most common source ore for refining elemental mercury. It is the historic source for the brilliant red or scarlet pigment termed vermilion and associated red mercury pigments.

Cinnabar is an ore/mineral of (1) Lead (2) Manganese (3) Molybdenum (4) Mercury

Description : Cinnabar is an ore/mineral of (1) Lead (2) Manganese (3) Molybdenum (4) Mercury

Last Answer : Mercury

Processed Galena produces which metal?

Description : Processed Galena produces which metal?

Last Answer : Lead

What are the chemical signals of Galena ?

Description : What are the chemical signals of Galena ?

Last Answer : Galena's chemical signal PbS

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

Last Answer : Statement-1: Auto reduction of ores is used for cinnabar, copper glance and Galena ores Statement-2: ... Statement-1 is false but Statement -2 is true

Which of the following diagram is correctly related to extraction of pb from galena?

Description : Which of the following diagram is correctly related to extraction of pb from galena?

Last Answer : Which of the following diagram is correctly related to extraction of pb from galena? A. Galena ... ("Electrolytic ") underset(" reduction")rarrPb`

What is the chemical name for Galena?

Description : What is the chemical name for Galena?

Last Answer : Lead sulphite