Description : Bone ash contains - (1) Calcium sulphate (2) Phosphoric sulphate (3) Calcium phosphate (4) Calcium hypophosphate
Last Answer : (3) Calcium phosphate Explanation: Bone ash is a. white material produced by the calcination of bones. It is primarily composed of calcium phosphate. It is commonly used in fertilizers, polishing ... bone china. It also has historical uses in the manufacture of baking powders and assay cupels.
Description : Bone ash contains (1) Calcium sulphate (2) Phosphoric sulphate (3) Calcium phosphate (4) Calcium hypophosphate
Last Answer : Calcium phosphate
Description : CaH4 (PO4 )2 is the chemical formula of (A) Superphosphate (B) Triple superphosphate (C) Calcium phosphate (D) Meta phosphoric acid
Last Answer : (B) Triple superphosphate
Description : Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of________ percent concentration. (A) 25-28 (B) 52-54 (C) 75-80 (D) > 98
Last Answer : (B) 52-54
Description : Sweat contains water and ______. (1) Citric acid (2) Lactic acid (3) Salt (4) Vinegar
Last Answer : (3) Salt Explanation: Sweat contains mainly water. It also contains minerals, lactate, and urea. It also contains a smaller amount of sodium chloride (main component of ordinary table salt).
Description : Sweat contains water and _______. (1) Citric acid (2) Lactic acid (3) Salt (4) Vinegar
Last Answer : Salt
Description : Specific weight of sea water is more that of pure water because it contains (A) Dissolved air (B) Dissolved salt (C) Suspended matter (D) All of the above
Last Answer : Answer: Option D
Description : The name of the common mineral salt present in sweat is ? A. Calcium Oxalate B. Potassium Sulphate C. Sodium Chloride (Answer) D. Iron Sulphate E. None of these
Last Answer : C. Sodium Chloride (Answer)
Description : An acid having basicity one is - (1) Sodium dihydrogen phosphate (2) Disodium hydrogen phosphate (3) Sodium phosphate (4) Phosphoric acid
Last Answer : (2) Disodium hydrogen phosphate Explanation: The basicity of an acid is the number of hydrogen ions (H+) which can be produced by the ionization of one molecule of the acid in aqueous solution. ... Similarly, the basicity of Disodium phosphate (Na2HPO4) is one since it has one H+ displaceable ion.
Description : Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with (A) Acidic refractory (B) Rubber (C) Karbate (D) Lead or acid proof bricks
Last Answer : (A) Acidic refractory
Description : Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with (A) Acidic refractory (B) Rubber (C) Karbate (D) Lead or acid-proof bricks
Last Answer : (D) Lead or acid-proof bricks
Description : Reaction of ortho-phosphoric acid with phosphate rock produces (A) Superphosphate (B) Triple superphosphate (C) Meta-phosphoric acid (D) Monoammonium phosphate
Description : Action of phosphoric acid on rock phosphate produces (A) Superphosphate (B) Triple superphosphate (C) Nitrophosphate (D) Diammonium phosphate
Description : Heating a mixture of phosphate rock, coke and sand in an electric furnace produces (A) Phosphoric acid (B) Ammonium phosphate (C) Phosphorous (D) Superphosphate
Last Answer : (C) Phosphorous
Description : Leaching of phosphate rock by strong __________ acid produces phosphoric acid. (A) Sulphuric (B) Hydrochloric (C) Either (A) or (B) (D) Neither (A) nor (B)
Last Answer : (C) Either (A) or (B)
Description : Reaction of ortho-phosphoric acid with soda ash produces (A) Sodium Tributyl phosphate (STPP) (B) Tricresyl phosphate (C) Tributyl phosphate (D) Nitrophosphate
Last Answer : (A) Sodium Tributyl phosphate (STPP)
Description : Electric process as compared to wet process (for the manufacture of phosphoric acid) (A) Can use only high grade phosphate rock (B) Is used less frequently (C) Produces a valuable by-product called gypsum (D) Is weak acid process
Last Answer : (B) Is used less frequently
Description : Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India ... manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate
Last Answer : (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable
Description : Phosphoric acid is produced in wet process from phosphate rock and (A) Dilute H2SO4 (B) Concentrated H2SO4 (C) Concentrated NHO3 (D) Concentrated HCl
Last Answer : (A) Dilute H2SO4
Description : Reaction of dilute sulphuric acid with phosphate rock produces (A) Phosphoric acid (B) Superphosphate (C) Triple superphosphate (D) Gypsum
Last Answer : (A) Phosphoric acid
Description : Reaction of phosphate rock with 98% H2SO4 produces (A) Ortho-phosphoric acid (B) Superphosphate (C) White phosphorous (D) None of these
Last Answer : (A) Ortho-phosphoric acid
Description : Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of ... in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation
Last Answer : (C) Red phosphorous is the most reactive allotropic form of phosphorous
Description : Reaction of __________ acid with phosphate rock produces superphosphates. (A) Hydrochloric (B) Sulphuric (C) Nitric (D) Phosphoric
Last Answer : (B) Sulphuric
Description : Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium (A) Carbonate (B) Phosphate (C) Bicarbonate (D) Silicate
Last Answer : (A) Carbonat
Description : Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of (A) Phosphoric acid (B) Superphosphate (C) Phosphorous (D) Triple superphosphate
Description : Electric furnace method for production of phosphorous uses phosphate rock and __________ (A) Phosphoric acid (B) Coke (C) Sulphuric acid (D) Silica and coke
Last Answer : (D) Silica and coke
Description : Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces (A) Ammonium phosphate (B) Superphosphate (C) Triple superphosphate (D) None of these
Last Answer : (A) Ammonium phosphate
Description : Triple superphosphate is made by reacting phosphate rock with __________ acid. (A) Phosphoric (B) Nitric (C) Sulphuric (D) Hydrochloric
Last Answer : (A) Phosphoric
Description : Triple superphosphate is manufactured by reacting (A) Phosphate rock with phosphoric acid (B) Phosphate rock with sulphuric acid (C) Phosphate rock with nitric acid (D) Ammonium phosphate with phosphoric acid
Last Answer : (A) Phosphate rock with phosphoric acid
Description : Phosphoric acid is prepared from (A) Cryolite (B) Chalcopyrite (C) Rock phosphate (D) None of these
Last Answer : (C) Rock phosphate
Description : Phosphate rock is a raw material for the manufacture of (A) Phosphoric acid (B) Phosphorous (C) Superphosphates (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : An acid having basicity one is (1) Sodium dihydrogen phosphate (2) Disodium hydrogen phosphate (3) Sodium phosphate (4) Phosphoric acid
Last Answer : Disodium hydrogen phosphate
Description : What salt results from the neutralization of phosphoric acid with potassium hydroxide?
Last Answer : Feel Free to Answer
Description : How much CO2 is formed by the reaction of 120g of phosphoric acid with limescale (calcium carbonate)? temperature 16 degrees pressure 98kPa
Last Answer : Need Answer
Description : ction of calcium Fluorapatite with sulphuric acid produces (A) Ortho-phosphoric acid (B) Simple superphosphate (C) Triple superphosphate (D) Red phosphorous
Last Answer : (B) Simple superphosphate
Description : Montecatini process is used for the manufacture of (A) Nitric acid (B) Phosphoric acid (C) Urea (D) Calcium ammonium nitrate (CAN)
Last Answer : (C) Urea
Description : The major calcium salt in bones is (A) Calcium carbonate (B) Calcium chloride (C) Calcium hydroxide (D) Calcium phosphate
Last Answer : Answer : D
Description : Milk contains very poor amounts of (A) Calcium (B) Phosphate (C) Iron (D) Riboflavin
Last Answer : Answer : C
Description : You might want to play with this pet, if you can't sleep at night. With its thin metal skin, it is a welcome sight. Many people wish to hear this animal's hiss. When they are away, it is something ... will throw it in the waste. And in your haste. Might get another one. What is this pet? -Riddles
Last Answer : A can of beer.
Description : Balance salt solution (BSS) used in cataract surgery contains: a. mannitol b. calcium chloride c. magnesium chloride d. acetate
Last Answer : acetate
Description : Is salt in sweat is an example of mechanical barrier that the body uses for protection?
Description : The following ions help in enzymatic transfer of phosphate from ATP to pyruvic acid: (A) Sodium (B) Calcium (C) Magnesium (D) Potassium
Description : Phosphorus is generally fixed in acid soils in the form of— (A) Calcium Phosphate (B) Zn Phosphate (C) Aluminium Phosphate (D) None of these
Last Answer : (C) Aluminium Phosphate
Description : Reaction of Cresylic acid with __________ produces Tricresyl phosphate.. (A) Phosphorous pentoxide (B) Phosphorous oxychloride (C) Ammonium phosphate (D) Calcium phosphate
Last Answer : (B) Phosphorous oxychloride
Description : Which one of the following biomolecules is correctly characterized? (a) Lecithin-a phosphorylated glyceride found in cell membrane. (b) Palmitic acid - an unsaturated fatty acid with 18 carbon atoms. ... Alanine amino acid - contains an amino group and an acidic group anywhere in the molecule.
Last Answer : (a) Lecithin-a phosphorylated glyceride found in cell membrane
Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)
Description : Hepatocellular jaundice as compared to pure obstructive type of jaundice is characterized by (A) Increased serum alkaline phosphate, LDH and ALT (B) Decreased serum alkaline phosphatase, LDH and ALT (C ... levels of LDH and ALT (D) Decreased serum alkaline phosphatase and increased serum LDH and ALT
Description : Pure (R) Mandelic acid has specific rotation of 150. If a sample contains 60% of the R and 40% of its enantiomer, the `[alpha]` of his solution is.
Last Answer : Pure (R) Mandelic acid has specific rotation of 150. If a sample contains 60% of the R and 40% of its enantiomer, the `[alpha]` of his solution is.
Description : .What is the percentage of the echant agent used with composit resin restorations? a . 37% of phosphoric acid in water. b. 15% c. 18.5% d. 41%
Last Answer : a . 37% of phosphoric acid in water.
Description : Calgon used in water treatment is chemically (A) Sodium phosphate (B) Sodium hexametaphosphate (C) Calcium phosphate (D) Tricresyl phosphate
Last Answer : (B) Sodium hexametaphosphate