Description : __________ process is used for the manufacture of sodium carbonate by ammonia soda process. (A) Ostwald's (B) Bosch (C) Solvay (D) Haber's
Last Answer : (C) Solvay
Description : How is Sodium Carbonate (Washing Soda), Na2CO3·10H2O manufactured by “Solvay Process”
Last Answer : Principle-- In this process, advantage is taken of the low solubility of sodium hydrogencarbonate whereby it gets precipitated in the reaction of sodium chloride with ammonium hydrogencarbonate. The latter is prepared ... treated with Ca(OH)2. Calcium chloride is obtained as a by-product.
Description : _________ process is used for producing soda ash. (A) Chamber (B) Chance (C) Tromp (D) Solvay
Last Answer : (D) Solvay
Description : Potassium carbonate cannot be prepared by Solvay process. Why?
Last Answer : Ans. Potassium carbonate cannot be prepared by Solvay process because potassium bicarbonate being more soluble than sodium bicarbonate does not get precipitated when CO2 is passed through a Conc. Solution of KCl saturated with ammonium.
Description : Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate (A) Is prone to thermal decomposition (B) Has high water solubility and is unstable (C) Is soluble in ammonium chloride and potassium chloride solution (D) All (A), (B) and (C)
Last Answer : (C) Is soluble in ammonium chloride and potassium chloride solution
Description : Why Solvay process cannot be extended for the manufacture of potassium carbonate?
Last Answer : Solvay process cannot be extended to the manufacture of potassium carbonate because potassium hydrogencarbonate is too soluble to be precipitated by the addition of ammonium hydrogencarbonate to a saturated solution of potassium chloride.
Description : In the Solvay process, the product from the calciner is (A) Light soda ash (B) Dense soda ash (C) Sodium bicarbonate (D) Dehydrated soda ash
Last Answer : (A) Light soda ash
Description : The carbonating tower used in Solvay process of soda ash manufactureis made of (A) Cast iron (B) Stainless steel (C) Karbate (D) Lead lined steel
Last Answer : (A) Cast iron
Description : The chemical substance used to dehy- drate Amonia gas?
Last Answer : Calcium oxide
Description : Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric ... Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate
Last Answer : 1. Copper oxide - CuO 2. Iron (III) chloride - FeCl3 3. Sodium hydroxide - NaOH 4. Iron (II) sulphide - FeS 5. Lead (II) oxide - PbO 6. Hydrogen nitrate (nitric acid) - HNO3 7. ... ) - H2SO4 8. Calcium hydroxide - Ca(OH)2 9. Magnesium carbonate - MgCO3 10.Ammonium carbonate - (NH4)2CO3
Description : Which of the following compounds is ONLY WEAKLY soluble in cold water? w) Silver Nitrate x) Sodium Carbonate y) Sodium Chloride z) Lead Chloride
Last Answer : ANSWER: Z -- LEAD CHLORIDE
Description : Ammonia is 1. Made up of nitrogen and hydrogen 2. Acidic in nature 3. Prepared by the Haber process 4. Soluble in water The correct answers are: (a) 1, 2 and 4 (b) 2, 3 and 4 (c) 1, 3 and 4 (d) 1, 2 and 3
Last Answer : Ans:(c)
Description : The temperature for the Haber process is 500° C Catalyst used in Haber process?
Last Answer : Iron
Description : Can you explain the Haber-Bosch nitrogen fixing process?
Last Answer : Here is the most complete description of the reaction that I've found. Yes, ammonia (NH3) is the end result. First, hydrogen is derived from natural gas by another process (described in the ... and hydrogen which allows them to combine with less total energy than they would need to combine directly.
Description : In Haber process of production of ammonia K2O is used as :
Last Answer : In Haber process of production of ammonia K2O is used as : a. catalyst b. inhibitor c. promotor d. adsorbate
Description : Nitric acid is made from air and water by the: w) Haber process x) Contact process y) Castner process z) Arc process
Last Answer : ANSWER: Z -- ARC PROCESS
Description : Lead Chamber process is related to
Last Answer : Sulfuric Acid (H2SO4)
Description : What is the catalyst used in lead chamber process?
Last Answer : Need answer
Description : Pick out the wrong statement. (A) Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% (B) Contact process of sulphuric acid manufacture produces pure acid of ... of 20% oleum (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst
Last Answer : (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst
Description : Solvay process is related to?
Last Answer : Sodium carbonate (Na2CO3) & Bicarbonate of Soda (NaHCO3)
Description : Name the process by which washing soda is prepared. (a)Solvay process (b) ammonium soda process (c) Both (a) and (b) (d)none of above
Last Answer : (c) Both (a) and (b)
Description : Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? (A) Cresylic acid (B) Copper sulphate (C) Calcium carbonate (D) Sodium carbonate
Last Answer : (B) Copper sulphate
Description : In Kraft process of paper manufacture, white cooking liquor consists of caustic soda (A) Sodium sulphide & sodium carbonate (B) Sodium sulphite & sodium carbonate (C) Sodium sulphite & sodium sulphide (D) None of these
Last Answer : (A) Sodium sulphide & sodium carbonate
Description : Pick out the false statement pertaining to water treatment. (A) Aeration of water is effective in CO2 removal (B) The zeolite water softening process reduces the hardness of water by not more than 50% (C ... carbonate do not cause hardness in water (D) Water with pH value less than 7, is acidic
Last Answer : (B) The zeolite water softening process reduces the hardness of water by not more than 50%
Description : The leaching solvent used in Baeyer's process for the purification of bauxite is (A) Ammonium hydroxide (B) Sodium carbonate (C) Sodium hydroxide (D) Ammonium carbonate
Last Answer : Option B
Description : What is the meaning of the name Haber ?
Last Answer : The Arabic meaning of the name Haber is "virtuous" , " scholar" , " blessing" , " happiness".
Description : What can you calculate by selecting Born-Haber cycle ?
Last Answer : Born-Haber cycle is useful for calculation of lattice energy, heat of reaction and electron affinity.
Description : The authority associated with the first genetically modified plants the soybean resistant to glyphosate from Monsanto which achieved widespread success was a.) Rachel Carson (May 27, 1907 - April 14, 1964) b). ... Fraley (birthdate: 1953) d). Norman Borlaug (March 25, 1914 - September 12, 2009)
Last Answer : c). Robert Fraley (birthdate: 1953)
Description : What are the raw materials used for the precipitation of Na2Co3 by Solvay ammonium Process ?
Last Answer : Sodium Chloride, limestone and ammonia
Description : K2CO3 Cannot be prepared by solvay process ?
Last Answer : Ans. Because KHCO3 is highly soluble in water
Description : What are the raw material used for the manufacture of washing soda by solvay process ?
Last Answer : Ans. Nacl, CaCO3 and NH3
Description : Which of the following oil gasification processes is non-catalytic? (A) Semet-Solvay process (B) Segas process (C) Onia-Gegi process (D) Steam reforming of naphtha
Last Answer : (A) Semet-Solvay process
Description : In the production of soda ash by Solvay process, the by-product is (A) CaCl2 (B) NH4Cl (C) NH3 (D) NaOH
Last Answer : (A) CaCl2
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 : __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia. (A) Solvay (B) Ostwald's (C) Haber's (D) None of these
Last Answer : (B) Ostwald's
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 : Solvay process as compared to dual process (i.e. modified Solvay process). (A) Can use low grade brine (B) Has less corrosion problems (C) Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl (D) Both (B) and (C)
Last Answer : (D) Both (B) and (C)
Description : Solvay process is used for the manufacture of (A) Caustic soda (B) Soda ash (C) Caustic potash (D) Soda lime
Last Answer : (B) Soda ash
Description : Which of the following may be viewed as a catalyst in the manufacturesoda ash by Solvay process? (A) NH3 (B) NaCl (C) CaO (D) Coke
Last Answer : (A) NH3
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 : Economics of 'Solvay Process' depends upon the efficiency of (A) Carbonating tower (B) Ammonia recovery (C) Ammonia recovery and size of the plant (D) Ammoniation of salt solution
Last Answer : (C) Ammonia recovery and size of the plant
Description : Particle spray produced in Cloud chamber?
Last Answer : often the high speed particles are due to upper atmosphere collissions just as you suspected, muons are often created up there. A friend of mine did a basic cloud chamber experiment looking at ... much about them affecting your health though as they usually won't interact with anything. gwrnerally
Description : If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. (A) Sidefired (B) Underfired (C) Covered (D) Recirculating
Last Answer : (B) Underfired
Description : Is sodium carbonate Na2CO3 and bicarbonate NaHCO3 one of the primary standard substances?
Last Answer : Why are you asking us these questions?
Description : Municipal water in India is generally treated with (a) Chlorine (b) Potassium permanganate (c) Sodium Chloride (d) Sodium Carbonate
Last Answer : Ans:(a)
Description : Consider the following chemicals: 1. Benzene 2. Carbon tetrachloride 3. Sodium carbonate 4. Trichloroethylene The chemicals used as dry cleaning agent(s) is/are (a) 1 only (b) 2 only (c) 1, 2 and 4 only (d) 1, 2, 3 and 4
Description : Consider the following statements: 1. Bordeaux mixture consists of sodium bromide and lime 2. Toothpastes contain calcium carbonate 3. Zinc amalgam is used in dental fillings 4. Liquid sodium is used as a coolant in nuclear reactors The ... 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only
Description : Lime water contains (a) sodium hydroxide (b) calcium hydroxide (c) sodium carbonate (d) calcium chloride
Last Answer : Ans:(b)
Description : Which scientific method is used for the production/extraction of Sodium carbonate?
Last Answer : Solvay process
Description : Study the following table and choose the correct option: Salt - Parent Acid - Parent Base - Nature of Salt (a) Soidum Chloride - HCI - NaOH - Basic (b) Sodium Carbonate - H2CO3 - NaOH - Neutral (c) Sodium Sulphate - H2SO4 - NaOH - Acidic (d) Sodium Acetate - CH3COOH - NaOH - Basic
Last Answer : Answer: (d) Sodium Acetate - CH3COOH - NaOH - Basic