Is magnetite expensive?

Description : The rock that results from solidification of molten lava from a volcano is an example of Which of the following? (1) Igneous rocks (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : (1) Igneous rocks Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava).

The rock that results from solidification of molten lava from a volcano is an example of which of the following? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Description : The rock that results from solidification of molten lava from a volcano is an example of which of the following? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : (1) Igneous Rock Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava). As hot, molten rock rises to the surface, it undergoes changes in temperature and ... Earth's crust. However, some are also formed on the surface as a result of volcanic activity.

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 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.

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

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.

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.

The iron ore magnetite consists of?

Description : The iron ore magnetite consists of?

Last Answer : Fe203

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

To obtain a very high strength concrete, use very fine grained (A) Granite (B) Magnetite (C) Barite (D) Volcanic

Description : To obtain a very high strength concrete, use very fine grained (A) Granite (B) Magnetite (C) Barite (D) Volcanic

Last Answer : Answer: Option A

Minimum of 40% of iron, is available in (A) Magnetite (B) Red haematite (C) Limonite (D) Black band

Description : Minimum of 40% of iron, is available in (A) Magnetite (B) Red haematite (C) Limonite (D) Black band

Last Answer : Answer: Option D

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

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

The principal mineral in most sand beaches is w) quartz x) orthoclase y) magnetite z) muscovite

Description : The principal mineral in most sand beaches is w) quartz x) orthoclase y) magnetite z) muscovite

Last Answer : ANSWER: W -- QUARTZ

The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite

Description : The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite

Last Answer : ANSWER: Y -- LIMONITE

An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper

Description : An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper

Last Answer : ANSWER: Y -- QUARTZ

Which of these pairs of minerals are always found in granites? w) muscovite and calcite x) quartz and orthoclase y) hornblende and talc z) augite and magnetite

Description : Which of these pairs of minerals are always found in granites? w) muscovite and calcite x) quartz and orthoclase y) hornblende and talc z) augite and magnetite

Last Answer : ANSWER: X -- QUARTZ AND ORTHOCLASE

Which of the following minerals is NOT a silicate? w) orthoclase x) muscovite y) augite (pron: aw-jIt) z) magnetite

Description : Which of the following minerals is NOT a silicate? w) orthoclase x) muscovite y) augite (pron: aw-jIt) z) magnetite

Last Answer : ANSWER: Z -- MAGNETITE

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

"Fool's gold" is a common name for this mineral: w) halite x) cinnabar y) magnetite z) pyrite

Description : "Fool's gold" is a common name for this mineral: w) halite x) cinnabar y) magnetite z) pyrite

Last Answer : ANSWER: Z -- PYRITE

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

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 : 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 : 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

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

The rock that results from solidification of molten lava from a volcano is an example of which of the following ? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Description : The rock that results from solidification of molten lava from a volcano is an example of which of the following ? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : Igneous Rock

Is magnetite expensive?

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