Description : Which of the following is not a pyrite ore? (A) Celestite (B) Galena (C) Gypsum (D) Siderite
Last Answer : (D) Siderite
Description : __________ is an ore of lead. (A) Quartz (B) Galena (C) Siderite (D) Chalcopyrite
Last Answer : (B) Galena
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 : Pick out the correct statement: (A) Removal of iron from ceramic material is necessitated (by magnetic separation method) so as to avoid discolouration of ceramic products (B) The operating cost of ... upon the specific gravity of the minerals (D) Asphalt is best crushed using toothed roll crusher
Last Answer : (A) Removal of iron from ceramic material is necessitated (by magnetic separation method) so as to avoid discolouration of ceramic products
Description : Electrostatic separation of minerals from each other is based on their differences in the following property. (A) Densities (B) Magnetic permeabilities (C) Electrical conductivities (D) Hardness
Last Answer : (C) Electrical conductivities
Description : Which of the following minerals is found in warcha, Bahadar Kail, Khark, Mirpur and Lasbela? A. Rock Salt B. Chromite C. Luni Stone D. China Clay
Last Answer : ANSWER: A
Description : Minerals Hyderabad has deposits of _____. A. Chromite B. Gypsum C. Fire Clay D. Lime-stone
Last Answer : ANSWER: D
Description : This group of alumino-silicate minerals is widely used in making electrical insulators (1) Bauxite (2) Chromite (3) Manganese (4) Mica
Last Answer : Mica
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 : 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 : 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
Description : What is the sign of Rutile ?
Last Answer : Routile's signal TiO2
Description : what means:paint formulated with RUTILE grade TITANIUM
Last Answer : Need Answer
Description : What would be the most likely SAW flux type for welding medium carbon steel which requires impact testing: a) Cellulosic b) Rutile c) Fused d) Agglomerated
Last Answer : d) Agglomerated
Description : Pick out the wrong statement: (A) Magnetic separation method can be employed to treat both dry & wet ores (B) Reduction ratio in crushing operation is defined as the ratio of minimum feed ... ) Gyratory crusher is used for coarse crushing (D) Screens are of stationary, moving and vibratory types
Last Answer : (B) Reduction ratio in crushing operation is defined as the ratio of minimum feed size to the maximum product size
Description : _________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. (A) Separation efficiency (B) Selectivity index (C) Concentration ratio (D) None of these
Last Answer : (B) Selectivity index
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 : The main ore of thorium is (A) Pitchblende (B) Monazite sand (C) Limonite (D) Galena
Last Answer : (B) Monazite sand
Description : Pick out the material having minimum Rittinger's number. (A) Calcite (B) Pyrite (C) Quartz (D) Galena
Last Answer : (C) Quartz
Description : Alum is commercially produced from (A) Gypsum (B) Feldspar (C) Galena (D) Bauxite
Last Answer : (D) Bauxite
Description : Which of the following is an ore of iron? (A) Galena (B) Chalcopyrite (C) Hematite (D) Bauxite
Last Answer : (C) Hematite
Description : Aluminium is extracted from (A) Chalcocite (B) Bauxite (C) Galena (D) None of these
Last Answer : (B) Bauxite
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
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 : 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
Description : Is siderite soluble in water?
Last Answer : Siderite is not soluble in water.
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 : 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 : Siderite is an ore of–
Last Answer : Iron
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 : Which mineral is the ore of aluminium ? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite
Last Answer : Bauxite
Description : The iron ore which contains 72% of iron is : (1) Magnetite (2) Limonite (3) Haematite (4) Siderite
Last Answer : Magnetite
Description : What are the chemical signals of chromite ?
Last Answer : : Chemical signal of chromite FeO.Cr2O3
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 : `FeCr_(2)`(chromite ) is a good soure of chromium and its compounds like `Na_(2)CrO_(4),Na_(2)Cr_(2)O_(7)` ` P:FeCr_(2)O_(4)+NaOH+airto A+Fe_(2)O_(3)Q
Last Answer : `FeCr_(2)`(chromite ) is a good soure of chromium and its compounds like `Na_(2)CrO_(4),Na_(2)Cr_ ... Dissolving in `H_(2)O` D. Dissolving in dil,HCl
Last Answer : `FeCr_(2)`(chromite ) is a good soure of chromium and its compounds like `Na_(2)CrO_(4),Na_(2)Cr_(2)O_(7)` ... B. C and Al C. C in both D. Al in both
Last Answer : `FeCr_(2)`(chromite ) is a good soure of chromium and its compounds like `Na_(2)CrO_(4),Na_(2)Cr_(2)O_(7)` ` ... D. `Na_(4)[Fe(OH)_(6)],H_(2)SO_(4)`
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 : Where has the Geological Survey of India located most of India's Chromite ?
Last Answer : Cuttack
Description : Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum
Last Answer : ANSWER: B
Description : Chromite is found in Pakistan in the area of _____. A. Kalabagh B. Muslim Bagh C. Chitral D. Kalat
Description : Hyderabad has deposits of _____. A. Chromite B. Gypsum C. Fire Clay D. Lime-stone
Description : which of the follwing is metallic mineral? A. Chromite B. Iron ore C. Both a and b D. None of them
Last Answer : ANSWER: C
Description : The extinct volcano "Koh-i-Sultan" in Balochistan contains the deposits of: A. Chromite B. Sulphur C. Gypsum D. Bauxie
Description : Which mineral is used in the making of high speed machines? A. Rock Salt B. Chromite C. China Clay D. Lunic Stone
Description : Chromium obtained from chromite is used in making. A. Gypsum B. Pesticide C. Stainless Steel D. Fertilizer