Description : What are the chemical signals of Galena ?
Last Answer : Galena's chemical signal PbS
Description : Processed Galena produces which metal?
Last Answer : Lead
Description : What is Galena ?
Last Answer : Galena is lead sulfide or lead sulfate.
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
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.
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
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.
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`
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
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.
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 : 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.
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 : Which of the following minerals is not subjected to magnetic separation method? (A) Rutile (B) Galena (C) Chromite (D) Siderite
Last Answer : (B) Galena
Description : Alum is commercially produced from (A) Gypsum (B) Feldspar (C) Galena (D) Bauxite
Last Answer : (D) Bauxite
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
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 : 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 : Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver
Last Answer : ANSWER: Y -- LEAD
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 : Which of the following is a metallic ore ? (1) Mica (2) Quartz (3) Feldspar (4) Galena
Last Answer : Galena
Description : The most important ore of lead is (1) Galena (2) Magnetite (3) Pyrolusite (4) Siderite
Description : Galena is a mineral of (1) iron (2) gold (3) lead (4) calcium
Last Answer : lead
Description : Processed Galena produces which metal