Description : Widely used N-fertilizer in rice is (a) Ammonium sulphate (b) Calcium sulphate (c) Urea (d) DAP
Last Answer : (a) Ammonium sulphate
Description : In the diving apparatus, helium is used along with oxygen, because it is (A) Easily available (B) Not soluble in blood at high pressure (C) Lighter than nitrogen (D) Completely miscible with oxygen
Last Answer : (B) Not soluble in blood at high pressure
Description : . Urea is a better fertilizer than ammonium sulphate, because (A) It is cheaper (B) Nitrogen content is higher (C) It is not poisonous (D) It is easy to manufacture
Last Answer : (B) Nitrogen content is higher
Description : (2) Nitrogen, Phosphorous and Sodium Explanation: Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a ... essential to the growth of plants. The three elements most needed in common fertilisers are Nitrogen.
Last Answer : Metal are good conductors, because – (1) they contain free electrons (2) the molecules in them are very close to each other (3) the molecules in them collide very freely (4) they contain reflecting surface
Description : How can I measure the amounts of phosphate, nitrogen, and potash in a purchased bag of fertilizer?
Last Answer : There are three numbers on the front of the bag with dashes. These are percentages. The first number is nitrogen, then phosphate, then potassium.
Description : Compared with distribution for consumer product marketing mixes, the distribution ingredient in business to business marketing differs in all of the following respects EXCEPT:A)types of channels used tend to be ... policies differ. D)value is added to the product. E)direct channels are used widely.
Last Answer : D)value is added to the product.
Description : Thermosetting resins/polymers as compared to thermoplastic ones are (A) Soluble in all organic solvents (B) More brittle (C) Formed by addition polymerisation only (D) Easily reshaped & reused
Last Answer : (B) More brittle
Description : Fertilizer which contains only one primary or major nutrient, e.g. Urea.
Last Answer : Ans. Straight fertilizers
Description : In a comparison of amounts of urea in human urine, the largest amount of urea would be found with a diet very rich in `:-`
Last Answer : In a comparison of amounts of urea in human urine, the largest amount of urea would be ... (sucrose) C. Complex carbohydrates (starches0 D. Protein
Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).
Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO
Description : When an organic compound is present in aqueous medium and is less soluble in any organic solvent, then it is separated by `:`
Last Answer : When an organic compound is present in aqueous medium and is less soluble in any organic ... B. distillation C. chromatography D. sublimation
Description : Assertion (A): Ethyl alcohol is soluble in organic solvents Reason(R): Calcium chloride can form an addition compound with ethyl alcohol
Last Answer : Assertion (A): Ethyl alcohol is soluble in organic solvents Reason(R): Calcium chloride can form an addition ... is false D. A is false but R is true
Description : What characteristics of Read Only memory ROM, makes it useful? 1) ROM information can be easily updated. 2) ROM provides very large amounts of inexpensive Data storage. 3) Data in ... remains there even without electrical power 4) ROM chips are easily Swapped between different brands of computers
Last Answer : 3) Data in ROM is Nonvolatile, that is , it remains there even without electrical power
Description : Which scientist prepares organic compound urea by heating inorganic compound ammonium cyanate ?
Last Answer : Friedrich Voller.
Description : Organic compound of small molecular size is (A) Urea (B) Uric acid (C) Creatinine (D) Phosphates
Last Answer : Answer : A
Description : The first organic compound synthesized in the laboratory was - (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose
Last Answer : (1) Urea Explanation: In 1828, German chemist Friedrish Wohler synthesized first organic compound, urea in the laboratory by heating ammonium cyanate (an inorganic compound).
Description : The first organic compound synthesized in 1828 by Frederich Wohler was: w) benzene x) urea y) estrogen z) methane
Last Answer : ANSWER: X -- UREA
Description : The first organic compound synthesised in the laboratory was (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose
Last Answer : Urea
Description : Organic Substances which; in very small amounts; control growth and development called?
Last Answer : hormones
Description : Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in ... fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo
Last Answer : (C) Urea is more hygroscopic than ammonium nitrate
Description : The substance that contains the maximum amount of nitrogen is (a) urea (b) ammonium sulphate (c) ammonium nitrate (d) ammonium chloride
Last Answer : Ans:(a)
Description : Which of the following fertilisers contains the least percentage of nitrogen? (A) Liquid ammonia (B) Urea (C) Ammonium phosphate (D) Ammonium sulphate
Last Answer : (C) Ammonium phosphate
Description : In preference to nitrogen -oxygen mixture (present in air), a helium -oxygen mixture is used by divers in deep sea because helium (a) is less toxic than nitrogen (b) can readily mix with oxygen ... ) is lighter than nitrogen (d) is less soluble in blood than nitrogen at high pressure under the sea
Last Answer : Ans:(d)
Description : Select the reasons, historically speaking, why the modern corporation was established as a legal entity: A. Social benefits flow from corporate institutions. B. Corporations provide an efficient means for raising large ... and for supplying jobs. E. All of the above. F. None of the above.
Last Answer : E. All of the above.
Description : Silver halides are used in photographic plates because they are (a) Oxidised in air (b) Colourless (c) Easily soluble in a hypo solution (d) Readily reduced by light
Description : Helium is added to the oxygen supply of deep sea divers because it is (1) less poisonous than nitrogen (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure
Last Answer : less soluble in blood than nitrogen at high pressure
Description : Phenols can be easily distinguished from alcohols because (a) phenols are soluble in NaOH, but alcohols are not (b) alcohols are soluble in NaOH, but phenols are not (c) phenols are soluble in NaHCO3, but alcohols are not (d) alcohols are soluble in NaHCO3, but phenols are not
Last Answer : phenols are soluble in NaOH, but alcohols are not
Description : Which fertilizer should be used if soil organic matter is low ?
Last Answer : If the soil organic matter is low then compost manure should be used.
Description : Milk contains very poor amounts of (A) Calcium (B) Phosphate (C) Iron (D) Riboflavin
Last Answer : Answer : C
Description : Nitrogen 1. Is non-essential for the animal bodies 2. In air dilutes oxygen which, otherwise, is very active in the pure form 3. Makes oxygen soluble in blood 4. Is present in DNA and RNA The correct statements are: (a) 1 and 4 only (b) 2 and 4 only (c) 3 and 4 only (d) 1 and 2 only
Last Answer : Ans:(b)
Description : Plants absorb dissolved nitrates from soil and convert them into (a) Free nitrogen (b) Urea (c) Ammonia (d) Proteins
Description : involves incorporating water soluble fertilizer into the irrigation systems of greenhouse and nursery crops. a. Broadcasting b. Fertilization c. Fertigation d. Perforation
Last Answer : Fertigation
Description : Growing medium kept too wet will deprive the plant: a. Soluble salts b. Water c. Oxygen d. Fertilizer
Last Answer : Oxygen
Description : Anaerobic environment in rice soil is responsible for gaseous loss of fertilizer nitrogen by
Last Answer : Ans.Denitrification
Description : What happened when an excess amount of Nitrogen Fertilizer is Introduced in to Soil Ecosystem? A. Soil Decay B. Soil Acidi_cation C. Soil Residue D. Microbial Activity
Last Answer : D. Microbial Activity
Description : Montecatini process is a widely used process for the manufacture of (A) Urea (B) Calcium ammonium nitrate (C) Triple superphosphate (D) None of these
Last Answer : (A) Urea
Description : Commercial flower crops are sometimes watered to cause leaching. This means: a. Watering to spread fertilizer nutrients more evenly throughout the plant root system b. Watering to remove excess soluble salts from ... only to wet the top 1/3 of the growing medium d. Watering by subsurface methods
Last Answer : Watering to remove excess soluble salts from the growing medium
Description : Commonly used chemical fertilizer to con trol submerged weeds and water bloom non -selectively a). Anhydrous ammonia b). Ammonium sulphate c). Ammonium nitrate d). Urea
Last Answer : d). Urea
Description : The Vee-Bee test is suitable for concrete mixes of low and very low workabilities (a) True (b) False (c) Not known (d) All the above
Last Answer : (a) True
Description : Which of the following is a balanced fertilizer for plants? (a) Urea (b) Ammonia sulphate (c) Nitrates (d) Compost
Description : Can the over application of urea (the commercial fertilizer) on agricultural fields, have a negative health impact on people in the surrounding areas?
Last Answer : answer:I would think it should say on the bag (does it come in a bag? I really know nothing about this stuff) but I think that they should have some kind of warning label (most states require dangerous things to have health risks printed on packages). Are you feeling sick?
Last Answer : Urea fertilizer is made from natural gas.
Last Answer : Nitrogen is absorbed by plant nutrients from urea fertilizer
Last Answer : Urea fertilizer promotes growth of tree stalks , stems and leaves. Urea fertilizer gives the plants a dark green color. The nitrogen in urea fertilizer is an integral part of the green leaf or chlorophyll of the leaves and helps plant proteins.
Description : which one Urea Fertilizer Production To do Raw materials ?
Last Answer : Natural Gas Urea Fertilizer Production To do Raw materials.
Description : At Sindri in Jharkhand, the fertilizer produced is – (1) Urea (2) Ammonium Phosphate (3) Calcium Super Phosphate (4) Ammonium Sulphate
Last Answer : (1) Urea Explanation: The Sindri factory was a Urea factory. It was the first in India to produce Ammonium Sulphate (1951), Urea (1959), and Ammonium Nitrate-Sulphate, commonly called the Double ... one 1.14 million tonne Gas based Urea fertilizer Plant and 500 MW Power Plant is being contemplated.
Description : Which one of the following is a mixed fertilizer? (1) Urea (2) CAN (3) Ammonium sulphate (4) NPK
Last Answer : (4) NPK Explanation: A mixed fertilizer is a mixture of two or more straight fertilizers. A mixture of Nitrogen (N), Phosphorus (P) and Potassium (K) or mostly known as NPK, three elements that are critical to plant survival and growth are added to the mixed fertilizer.
Description : Which of the following is not a nitrogenous fertilizer? (1) Ammonium sulphate (2) Urea (3) Ammonium nitrate (4) Superphosphate
Last Answer : (4) Superphosphate Explanation: Superphosphate is a common synthetic phosphorus fertilizer.
Description : Extensively used nitrogenous fertilizer is – (1) Ammonium nitrate (2) Urea (3) Ammonium sulphate (4) Nitro-lime
Last Answer : (2) Urea Explanation: More than 90% of world production of urea is destined for use as a nitrogen-release fertilizer. Urea has the highest nitrogen content of all solid nitrogenous fertilizers in common use. Therefore, it has the lowest transportation costs per unit of nitrogen nutrient.
Description : Urea is a - (1) Sodium fertilizer (2) Phosphatic fertilizer (3) Nitrogenous fertilizer (4) Potassium fertilizer
Last Answer : (3) Nitrogenous fertilizer Explanation: More than 90% of world production of urea is destined for use as a nitrogen-release fertilizer. Urea has the highest nitrogen content of all solid nitrogenous fertilizers in common use.