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 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 : 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 : 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 : 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 : Which of the following is not an ore of copper? (A) Cryolite (B) Azurite (C) Chalcopyrite (D) Malachite
Last Answer : Option A
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 : 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 : Which of the following is not an ore of magnesium? (1) Carnallite (2) Dolomite (3) Calamine (4) Sea water
Last Answer : (3) Calamine
Description : Rotary kilns are used in the (A) Calcination of limestone & dolomite (B) Cement manufacture (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Which of the following is used for calcination of limestone and dolomite in industrial practice? (A) Fluidised bed reactor (B) Moving bed reactor (C) Fixed bed reactor (D) None of these
Last Answer : (B) Moving bed reactor
Description : All of the following are examples of chemically precipitated sedimentary rock except: w) limestone x) sandstone y) dolomite
Last Answer : ANSWER: X -- SANDSTONE
Description : Crucible is repaired by? (i) Magnasite Powder (ii) Magnasite Powder & Sodium Silicate.* (iii) Sodium Silicate (iv) Aluminium powder
Last Answer : (ii) Magnasite Powder & Sodium Silicate.*
Description : Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal carbonates is most stable thermally?
Last Answer : Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal carbonates is most ... C. `SrCO_(3)` D. `BaCO_(3)`
Description : Which of the following metal carbonates liberate. `CO_(2)(g)` on heating :
Last Answer : Which of the following metal carbonates liberate. `CO_(2)(g)` on heating : A. `Na_(2)CO_(3)` B. `K_(2)CO_(3)` C. `Rb_(2)CO_(3)` D. `Ag_(2)CO_(3)`
Description : Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) two ores [X] and [Y] show the following reactivity. (i)
Last Answer : Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) ... and hydroxide ores D. Carbonate and oxide ores
Description : Diamond is chemically (a) a mixture of metal carbonates (b) pure carbon (c) a pure form of sand (d) a mixture of calcium and magnesium phosphates
Last Answer : Ans:(b)
Description : The solubility of the alkali metal carbonates (a) Decreases as we go down the group (b) Increases as we go down the group (c) Increases at first and then decreases (d) Does not show regular variation
Description : Raw materials used for the manufacture of glass are – (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda
Last Answer : (1) sand, soda, limestone Explanation: Quartz sand (silica) is the main raw material in commercial glass production. While fused quartz (primarily composed of SiO2) is used for some special ... over 1200 degree C (2192 degree F). Normally, other substances are added to simplify processing.
Description : Raw materials for 'Solvay Process' for manufacture of the soda ash are (A) Salt, limestone and coke or gas (B) Ammonia, salt and limestone (C) Ammonia limestone and coke (D) None of these
Last Answer : (A) Salt, limestone and coke or gas
Description : Which of the following is not required in the manufacture of soda ash by Solvay process? (A) Ammonia (B) Limestone (C) Nitric acid (D) None of these
Last Answer : (C) Nitric acid
Description : Commercial production of calcium carbide requires limestone and __________ as raw materials. (A) Coke (B) Sand (C) Soda ash (D) Fuel oil
Last Answer : (B) Sand
Description : Which of the following is not a raw material used for the manufacture of ordinary glass? (A) Iron oxide (B) Soda ash (C) Limestone (D) Silica
Last Answer : (A) Iron oxide
Description : Sand and __________ is fused at 1300°C, to produce sodium silicate. (A) Limestone (B) Soda ash (C) Coke (D) Sodium sulphate
Last Answer : (B) Soda ash
Description : Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials. (A) Coke and sand (B) Brine and coal (C) Coke and caustic soda (D) None of these
Last Answer : (B) Brine and coal
Description : Raw materials used for the manufacture of glass are (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda
Last Answer : sand, soda, limestone
Description : Dolomite is an ore of which metal?
Last Answer : Magnesium
Description : What is the chemical composition of azurite mineral?
Last Answer : What is the answer ?
Description : Is the Malachite rock Sedimentary or Metamorphic?
Last Answer : Both. You're Welcome.
Description : Which one of the following is a mineral of iron? (1) Magnetite (2) Malachite (3) Cassiterite (4) Pyrolusite
Last Answer : Magnetite
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 : For which thing is Washing soda the common name? -General Knowledge
Last Answer : answer:
Description : What will the concentration of `[Ca^(+2)]` in a sample of 1 litre hard water if after treatment with washing soda 10 g insoluable `CaCO_(3)` is precip
Last Answer : What will the concentration of `[Ca^(+2)]` in a sample of 1 litre hard water if after treatment with washing soda 10 g ... B. 0.1 M C. 0.3 M D. 0.4 M
Description : What is the melting point of washing soda crystals?
Last Answer : Feel Free to Answer
Description : What does 1 cup washing soda weigh in grams?
Description : Where is washing soda on the pH scale?
Last Answer : Washing soda form a basic solution.
Description : Washing soda is also known as-
Last Answer : Sodium carbonate (Na2CO3)
Description : Washing Soda in water behaves like _____. A. Alkaline B. Neutral C. Acid D. None of these
Last Answer : ANSWER: C
Description : Saponification involves the hydrolysis of fats and oils by- (1) water (2) washing soda (3) stearic acid (4) caustic soda
Last Answer : (4) caustic soda Explanation: Caustic soda (sodium hydroxide) is a versatile alkali. Its main uses are in the manufacture of pulp and paper, alumina, soap and detergents, petroleum products and chemical production.
Description : Washing soda is the common name of- (1) Calcium Carbonate (2) Calcium Bi-Carbonate (3) Sodium Carbonate (4) Sodium Bi-Carbonate
Last Answer : (3) Sodium Carbonate Explanation: Washing soda, sodium carbonate decahydrate, efflorescent crystals used for washing, especially textiles. It is a compound of sodium (q.v.).
Description : Washing soda is - (1) sodium sulphite (2) sodium bicarbonate (3) sodiun carbonate (4) sodium biosulphite
Last Answer : (3) sodiun carbonate Explanation: Sodium carbonate (also known as washing soda, soda ash and soda crystals, and in the monohydrate form as crystal carbonate), Na2CO3, is the water-soluble sodium salt of carbonic acid.
Description : Sodium Carbonate is commonly known as - (1) Baking Soda (2) Washing Soda (3) Caustic Soda (4) Caustic Potash
Last Answer : (2) Washing Soda Explanation: Sodium carbonate (Na2CO3) is also known as washing soda, soda ash and soda crystals. It is a salt of carbonic acid, a chemical that produces a wide range of salts collectively known as carbonates. It can be used to remove stubborn stains from laundry.
Description : What is the common name of CaOCI2? (1) Baking Powder (2) Baking Soda (3) Bleaching Powder (4) Washing Soda
Last Answer : (3) Bleaching Powder Explanation: Calcium hypochlorite, an inorganic compound with formula Ca(CIO)2, is commonly known as bleaching powder. It is not highly soluble in water and is more preferably used in soft to medium hard water.
Description : Chemical formula of washing soda is - (1) Na2SO4.10H2O (2) NaHCO3 (3) Na2CO3.10H2O (4) Ca(OH)2
Last Answer : (3) Na2CO3.10H2O Explanation: Washing Soda is essentially Sodium Carbonate, a sodium salt of carbonic acid (soluble in water). The molecular formula of washing soda is Na2CO3.10H2O. It is used as ... It reacts with the calcium and magnesium bonds present in the water, enabling the detergent to work.
Description : Sodium bicarbonate is commercially known as – (1) Washing soda (2) Baking soda (3) Caustic soda (4) Soda lime
Last Answer : (2) Baking soda Explanation: Baking Soda is Sodium bicarbonate or sodium hydrogen carbonate. It is primarily used in cooking (baking), as a leavening agent. It reacts with acidic components in batters, ... and grain in pancakes, cakes, quick breads, soda bread, and other baked and fried foods.
Description : Commercially, sodium bicarbonate is known as – (1) Washing soda (2) Baking soda (3) Bleaching powder (4) Soda ash
Last Answer : (2) Baking soda Explanation: Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula NaHCO3. Sodium bicarbonate is a white solid that is crystalline but often appears as a ... . It is a component of the mineral patron and is found dissolved in many mineral springs.