Description : The chief source for the production of nitrogeneous fertilizers is : (1) Ammonia (2) Nitric acid (3) Nitrogen (4) Nitrogen dioxide
Last Answer : (1) Ammonia Explanation: Nitrogen fertilizers are often made using the Haber-Bosch process which uses natural gas for the hydrogen and nitrogen gas from the air at an elevated temperature and ... is used as a feedstock for other nitrogen fertilizers, such as anhydrous ammonium nitrate and urea.
Last Answer : Ammonia
Description : In the method of condensation polymerization, (A) Low-molecular substances are removed from the high molecular substance (B) The reaction proceeds with an evolution of ammonia (C) The reaction proceeds with an evolution of hydrogen chloride (D) All of the above
Last Answer : Answer: Option D
Description : Tall oil obtained as a by-product from the black liquor recovery is (A) A black, sticky & viscous liquid (B) Used in the manufacture of greases, emulsions & soaps (C) Composed mainly of rosin & fatty acids (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Pick out the wrong statement pertaining to the soap manufacture. (A) Transparent soaps are made by cold process (B) Organic pigments are used as colouring materials in the soap manufacture (C) ... soaps are manufactured by hot process (D) Colourless rosin is used in the manufacture of laundry soaps
Last Answer : (A) Transparent soaps are made by cold process
Description : . Sodium or potassium salts of fatty acids are called (a) Proteins (b) Terpenes (c) Carbohydrates (d) Soaps
Last Answer : Soaps
Description : Which one of the following elements is used in the manufacture of fertilizers? (1) Fluorine (2) Potassium (3) Lead (4) Aluminium
Last Answer : (2) Potassium Explanation: Nitrogen, phosphorus and potassium are the three most common bases of fertilizers. Potash can be used to make potassium (K) fertilizers. All commercial potash deposits come originally from marine deposits and are often buried deep in the earth.
Description : Which one of the following elements is used in the manufacture of fertilizers ? (1) Fluorine (2) Potassium (3) Lead (4) Aluminium
Last Answer : Potassium
Description : Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ... B) Increasing the effectiveness (C) Improving the strength & heat resistance (D) All a, b & c
Last Answer : (D) All a, b & c
Description : Saponification of a fat (a) always results in the formation of insoluble soaps (b) produces glycerol and soap (c) is used in the production of detergents (d) is used in the production of lactic acid
Last Answer : produces glycerol and soap
Description : Soap cannot be used with hard water, because (A) Hard water contains sulphate (B) They form insoluble calcium soaps which precipitate (C) They attract back the removed dirt (D) None of these
Last Answer : (B) They form insoluble calcium soaps which precipitate
Description : Soaps cannot be used in acidic condition because they lose their cleansing effect due to formation of insoluble?
Last Answer : long-chain fatty acids
Description : The substance used in the production of nylon; rayon; explosives; fertilizers and dyes?
Description : What Process boosted the production of fertilizers and strengthened the agriculture industry?
Last Answer : bro I don’t know
Description : Which one of the following statements is NOT correct? [IAS 2003] (a) India is the second largest producer of nitrogenous fertilizers in the world (b) India is the ninth largest steel producing country ... largest producer of silk in the world (d) India ranks third in the world in coal production
Last Answer : Ans: (d)
Description : Yellow revolution is associated with – a. Potato b. Fertilizers c. Food Grains d. Oil Seed Production
Last Answer : c. Food Grains
Description : Crop logging’ is the method of? a. Soil fertility evaluation b. Plan analyst for assessing requirements for nutrients for crop production c. Assessing crop damage d. Testing suitability of fertilizers e. None of these
Last Answer : e. None of these
Description : The expanded production of fertilizers, textiles & buildings require some A. power production B. domestic production of the necessary capital goods C. economical growth D. none of these
Last Answer : B. domestic production of the necessary capital goods
Description : The contact process is involved in the manufacture of - (1) Nitric acid (2) Sulphuric acid (3) Ammonia (4) Caustic soda
Last Answer : (2) Sulphuric acid Explanation: It is also a central substance in the chemical industry. It is widely produced by contact process. Now days, sulphuric acid is prepared by contact process all over ... process is based upon the catalytic oxidation of sulfur dioxide (SO2) to sulfur trioxide (SO3).
Description : Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? (A) Electrolysis of water (B) Cryogenic removal of H2 from coke oven gas (C) Steam reforming of naphtha (D) Natural gas cracking
Last Answer : (A) Electrolysis of water
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 : A fertiliser plant is classified as a gas based fertiliser plant, when it uses__________ gas as a source of hydrogen for the manufacture of ammonia. (A) Coke oven (B) Producer (C) Natural (D) Coal
Last Answer : (C) Natural
Description : During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent. (A) 38 (B) 68 (C) 82 (D) 98
Last Answer : (D) 98
Description : Raw materials for nitric acid manufacture are (A) Hydrogen peroxide, air and water (B) Anhydrous ammonia and air (C) Anhydrous ammonia, air and water (D) Wet ammonia, air and water
Last Answer : (C) Anhydrous ammonia, air and water
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 : Pick out the wrong statement. (A) Catalytic hydrogenation of carbon monoxide produces methyl alcohol (B) In nylon-6, the number 6 represents the total number of carbon atoms in the ring (C ... are benzene and chlorine (D) Ethanolamines are produced by using ammonia and ethylene oxide as raw material
Last Answer : (C) Raw materials for DDT manufacture are benzene and chlorine
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 : 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 : Glycol is used to manufacture which of the following? (1) Nylon (2) Artificial silk (3) Terylene (4) Rubber
Last Answer : (3) Terylene Explanation: Monoethylene glycol (MEG), also known as ethylene glycol (EG) or simply glycol, is a diol mostly used for the production of polyester fibers and polyethylene ... is used to produce textiles, large soft-drink containers, photographic film, and overhead transparencies.
Description : Glycol is used to manufacture which of the following ? (1) Nylon (2) Artificial silk (3) Terylene (4) Rubber
Last Answer : Terylene
Description : Oral neomycin is beneficial in hepatic coma because: A. In hepatic failure patients it is absorbed from the intestines B. It decreases ammonia production by gut bacteria C. It reacts chemically with ... gut to prevent its diffusion into blood D. It induces ammonia detoxifying enzymes in the liver
Last Answer : B. It decreases ammonia production by gut bacteria
Description : Assertion : Use of fertilizers greatly enhaces crop productivity. Reason : Irrigation is very important in increasing crop productivity.
Last Answer : Assertion : Use of fertilizers greatly enhaces crop productivity. Reason : Irrigation is very important ... D. If both assertion and reason are false
Description : Natural organic fertilizers are found to be better then chemical fertilizers because – (1) chemical fertilizers are less productive (2) organic fertilizers are more productive (3) organic fertilizers sustain soil productivity (4) chemical fertilizers are toxic
Last Answer : (3) organic fertilizers sustain soil productivity Explanation: Organic fertilizers like compost are either soil conditioners or growth enhancers. They sustain crop yields and soil productivity in intensive cropping systems which leave low organic residues on the soil.
Description : Organic food is supposed to be better for human consumption because – (1) It is grown in glass house air tight environment (2) It is grown without the use of chemicals & synthetic pesticides (3) It depends on chemicals & fertilizers (4) It is too expensive to buy
Last Answer : (2) It is grown without the use of chemicals & synthetic pesticides Explanation: There are at least two good arguments for eating organic: fewer pesticides and more nutrients. In ... organic foods contain higher levels of antioxidants and less harmful chemicals than conventionally farmed pro-duce.
Description : Natural organic fertilizers are found to be better then chemical fertilizers because (1) chemical fertilizers are less productive (2) organic fertilizers are more productive (3) organic fertilizers sustain soil productivity (4) chemical fertilizers are toxic
Last Answer : organic fertilizers sustain soil productivity
Description : Organic food is supposed to be better for human consumption because : (1) It is grown in glass house & air tight environment. (2) It is grown without the use of chemicals & synthetic pesticides. (3) It depends on chemicals & fertilizers. (4) It is too expensive to buy.
Last Answer : It is grown without the use of chemicals & synthetic pesticides.
Description : Plants absorb dissolved nitrates from soil and convert them into (a) Free nitrogen (b) Urea (c) Ammonia (d) Proteins
Last Answer : Ans:(a)
Description : What about some bacteria is important to important to humans in terms of our being able to make proteins and nucleic acids from the foods we eat?
Last Answer : Feel Free to Answer
Description : Nitrogen fixation is a process of - (1) Assimilation of nitrate (2) Utilisation of nitrogen gas (3) Conversion of organic nitrogen to proteins (4) Conversion of molecular nitrogen to ammonia
Last Answer : (4) Conversion of molecular nitrogen to ammonia Explanation: Nitrogen fixation is a process by which nitrogen in the Earth's atmosphere is converted into ammonia (NH3) or other molecules available ... plants as nutrients. The conversion of organic nitrogen to proteins is achieved in Nitrogen cycle.
Description : Nitrifying bacteria (a) oxidise ammonia to nitrates (b) convert free nitrogen to nitrogen compounds (c) convert proteins into ammonia (d) reduce nitrates to free nitrogen.
Last Answer : (a) oxidise ammonia to nitrates
Description : Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid
Last Answer : A mixture of amino acids
Description : Nitrogen fixation is a process of (1) Assimilation of nitrate (2) Utilisation of nitrogen gas (3) Conversion of organic nitrogen to proteins (4) Conversion of molecular nitrogen to ammonia
Last Answer : Conversion of molecular nitrogen to ammonia
Description : What is polymerization ?
Last Answer : Answer : The Greek word poly means many and meros means part or unit . Thus polymerization is the process of creating large molecules from six single molecules. That is, a reaction in which a ... the presence of little oxygen, polythene is produced by the addition of 600 - 1000 ethin molecules.
Description : What is a polymerization reaction ?
Last Answer : In polymer chemistry, the process of forming large molecules by combining numerous molecules of the same substance or numerous molecules of more than one substance is called polymerization reaction .
Last Answer : High Heat, Stressful Effect The same Of compounds Innumerable Molecules Of each other With Added Become Large Molecular Mass Prominent New Of compounds Molecules Structure To do To the process Polymerysation . _
Description : Polymerization does not occur through intermediate formation of:
Last Answer : Polymerization does not occur through intermediate formation of: A. carbocations B. carbonions C. free radicals D. carbenes
Description : The product of addition polymerization reaction is:
Last Answer : The product of addition polymerization reaction is: A. PVC B. nylon C. terylene D. polyamide
Description : What type organic macro molecule is form polymerization reaction between amino acids?
Last Answer : This macromolecule is a protein.
Description : What type organic macro-molecule is form polymerization reaction between amino acids?
Description : Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc
Last Answer : Answer : D