Description : Which of the following ores does not contain iron? (1) Haematite (2) Magnetite (3) Limonite (4) Cassiterite
Last Answer : (4) Cassiterite
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.
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.
Description : The most important ore of lead is (1) Galena (2) Magnetite (3) Pyrolusite (4) Siderite
Last Answer : Galena
Description : Pyrolusite is the oxide mineral of
Last Answer : Pyrolusite is the oxide mineral of A. Iron B. Selnium C. Magnanse D. Magnesium
Description : Which of the following is not a non-metalliferous mineral? (A) Calcite (B) Fluorspar (C) Quartz (D) Cassiterite
Last Answer : (C) Quartz (D) Cassiterite
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.
Description : Which mineral is the ore of aluminium ? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite
Last Answer : Bauxite
Description : The principal mineral in most sand beaches is w) quartz x) orthoclase y) magnetite z) muscovite
Last Answer : ANSWER: W -- QUARTZ
Description : An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper
Last Answer : ANSWER: Y -- QUARTZ
Description : "Fool's gold" is a common name for this mineral: w) halite x) cinnabar y) magnetite z) pyrite
Last Answer : ANSWER: Z -- PYRITE
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.
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.
Description : Which of the following is an iron ore ? (1) Bauxite (2) Magnetite (3) Lignite (4) Nitrite
Last Answer : Magnetite
Description : The iron ore which contains 72% of iron is : (1) Magnetite (2) Limonite (3) Haematite (4) Siderite
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
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
Description : Mention the context of iron present in magnetite. -SST 10th
Last Answer : A very high context of iron, upto 70 percent, is present in magnetite.
Description : The iron ore magnetite consists of?
Last Answer : Fe203
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
Description : Minimum of 40% of iron, is available in (A) Magnetite (B) Red haematite (C) Limonite (D) Black band
Last Answer : Answer: Option D
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
Description : The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite
Last Answer : ANSWER: Y -- LIMONITE
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
Description : Cassiterite ore `(SnO_(2))` is purified by
Last Answer : Cassiterite ore `(SnO_(2))` is purified by A. Magnetic separator B. roasting C. leaching D. Calcination
Description : Which of the following diagrams is correctly related to different steps involved in the extraction of Sn form cassiterite Ore?
Last Answer : Which of the following diagrams is correctly related to different steps involved in the extraction ... displacement method `rarr` Vapour phase refing
Description : The magnetic impurity present in cassiterite ore is
Last Answer : The magnetic impurity present in cassiterite ore is A. Silica B. Wolframite C. `SnO_(2)` D. Clay
Description : The main ore of uranium is (A) Pitchblende (B) Monazite sand (C) Cassiterite (D) Chalcopyrite
Last Answer : (A) Pitchblende
Description : Cassiterite is an ore of (A) Tin (B) Lead (C) Molybdenum (D) Chromium
Last Answer : (A) Tin
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
Description : how many of the following are ores of copper chalopyrite Cuprite , chalcoite ,malachite Azurite ,Bornite ,Limonite ,Zicite ,Braunite .
Last Answer : how many of the following are ores of copper chalopyrite Cuprite , chalcoite ,malachite Azurite ,Bornite ,Limonite ,Zicite ,Braunite .
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
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
Description : Malachite and azurite are_ores of copper
Last Answer : Malachite and azurite are_ores of copper A. carbonate B. oxide C. sulphide D. silicate
Description : Is the Malachite rock Sedimentary or Metamorphic?
Last Answer : Both. You're Welcome.
Description : Which of the following is not an ore of copper? (A) Cryolite (B) Azurite (C) Chalcopyrite (D) Malachite
Last Answer : Option A
Description : Which of the following minerals is a source of lead? w) Bauxite x) Hematite y) Malachite z) Galena
Last Answer : ANSWER: Z -- GALENA
Description : Which of the following minerals is a source of copper? w) Bauxite (pron: box-ite) x) Hematite y) Malachite z) Galena
Last Answer : ANSWER: Y -- MALACHITE
Description : What is the signal of magnetite ?
Last Answer : The chemical signal of magnetite is Fe₃O₄
Description : How many oxygen atoms are there in one formula unit of magnetite?
Last Answer : ANSWER: FOUR
Description : Is magnetite expensive?
Last Answer : Feel Free to Answer
Description : Is magnetite a silicate or nonsilicate?
Last Answer : Need answer
Description : The most important ore of aluminium is (a) Bauxite (b) Magnetite (c) Haematite (d) Monazite
Last Answer : Ans:(a)
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).
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.
Description : To obtain a very high strength concrete, use very fine grained (A) Granite (B) Magnetite (C) Barite (D) Volcanic
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
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
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