Applied Chemistry-II Past Paper PDF, DTE Batch

SET-I INDO GERMAN TOOL ROOM, AHMEDABAD MULTIPLE CHOICE QUESTIONS SUBJECT: APPLIED CHEMISTRY-II BATCH: DTE NO. QUESTIONS...

SET-I INDO GERMAN TOOL ROOM, AHMEDABAD MULTIPLE CHOICE QUESTIONS SUBJECT: APPLIED CHEMISTRY-II BATCH: DTE NO. QUESTIONS ANSWERS LOW LEVEL pH of blood is ? 1. A. 4 B. 7.4 B C. 2 D. 9 2 Hydronium ion a. H3O+ b. H2O+ A c. H3O2+ d. HO+ Magnitude of ionization energy depends upon 3. D a. Number of positive charges b. Shielding effect c. Spin pair repulsion d. All of the above 4. Sugar results after hydrolysis of_ B a. Peptone b. Carbohydrates c. Trace elements d. Fats 5. Na2SO4 is a/an a. Basic salt b. Common salt D c. Acid salt d. Normal salt What is effect of base on red litmus ? 6. a. It turns blue b. It turns pink A c. It remains red d. It becomes colorless 7. PH of water is a. 2 b. 3 D c. 4 d. 7 8. Metal is a/an B a. Renewable resource b. Non-renewable resource c. Artificial resources d. alloy 9. Which of the following is an example of corrosion? D a. Rusting of iron b. Trashing of silver c. Liquefaction d. A and B 10 Metals does not exist in nature in the form of A a. Nitrate b. Sulphate c. Carbonate d. oxides 11. Corrosion can be prevented by D a. alloying b. tinning c. galvanizing d. all of the above 12. Insulators can be easily charged by C a. supplying electron b. EMF c. Friction d. Proton 13. Value of resistance in insulator is B a. Small b. Large c. Zero d. Cannot be defined 14. is an insulator. C a. Iron b. Aluminum c. Thermocol d. alloy 15. PH+ POH =_ B a. 10 b. 14 c. 12 d. 13 16. Which gas is mainly produced due to incomplete combustion of A a. Co b. No2 c. Co2 d. He X-ray films are a source of which of the following gas? 17. B a. Co b. No2 c. Co2 d. He 18. Ozone in stratosphere absorbs harmful B a. Dust particles b. Radiation c. Fumes d. Air pollutants 19. Waste water released from is not a A a. Industries b. Sanatoria c. Municipalities d. Tanning 20. Infectious hepatitis is caused by B a. Bacteria b. Viruses c. Hermit d. Protozoa 21. is an universal solvent. C a. Air b. Petrol c. Water d. Alcohol 22. is not surface water? C a. Sea water b. Lake water c. Spring water d. River water 23. “Narmada bachao andolan” is related to ? C a. Tehri b. Bhakhra nagal c. Sardar sarovar d. Rihand 24 Ground water is access by. A a. Drilling well b. Drip irrigation c. Check dams d. canals 25. Hard water contains salt of_. C a. Na and CL b. C and o c. Ca and mg d. H and he 26. 1 ppm=_ mg/liter B a. 10 b. 1 c. 100 d. 1000 27. Temporary hardness can be removed by D a. Lime b. Carbon c. Oxygen d. Boiling of water 28. ____is a solid fuel. A a. Coal b. kerosene c. petrol d. diesel 29 __is a best type of coal. C a. Peat b. Lignite c. Anthracite d. bituminous 30. In presence of which gas fuel burnt? A a. Oxygen b. Carbon dioxide c. Nitrogen d. mIthen What is primary component of crude oil? 31. B a. Sulphur b. Carbon c. Nitrogen d. Oxygen 32. What type of gas is LPG? a. Gasoline b. Kerosene C c. Uncondensed d. Condensed 33. What is the function of petroleum coke? C a. Lubrications b. In candles c. As fuels d. As solvent 34. How is bio-gas prepared? C a. Decantation b. Filtration c. Fermentation d. Sublimation Which is the nuclear fuel that occurs in abundant amount in nature? D 35. a. Plutonium b. Radium c. Thorium d. Uranium 36. Fire brick is made from. C a. Brick b. Concrete c. Fire clay d. Wood Silica refractory’s are also known as ___ refractory 37. C a. Acid b. Basic c. Neutral d. magnesia 38. Glass is a mixture of_. B  a. Non-metallic silicates b. Metallic silicates c. Metallic acetates d. Non-metallic acetates 39. How many types of glass are there in general? D a. 2 b. 4 c. 5 d. 3 40. What changes are observed when a glass is heated? A a. It becomes softer b. It bursts c. It solidifies d. It disintegrates Self linking capacity of carbon is called. 41. A a. Catenation b. Sublimation c. Hydrogenation d. carbonation 42. Substances which are basis for human life on earth are. D a. Atom b. Molecules c. Matters d. Organic compounds Element that is backbone of organic molecules is. 43. A a. Carbon b. Hydrogen c. Oxygen d. All of them 44. Which of the following is a thermosetting polymer? D a. Polystyrene b. Polyolefin’s c. Nylons d. Phenolic reins 45. Which of the following polymer exhibit a lower value of molar cohesion? C a. Wool b. Silk c. Vulcanized rubber d. Polystyrene 46. Process used to deposit one metal over another metal is called B a. Electrolysis b. Electroplating c. Carbon plating d. None of the above 47. When zinc is plated on steel anode is made up of_. C a. Steel b. Oxygen c. Zinc d. Carbon 48. On industrial scale sodium metal is prepared by electrolysis of fused B a. NAOH b. NACL c. NAO d. NH3 49. The term bio-mass most often refers to. B a. In organic matters b. Organic matters c. Chemicals d. Herbals 50. Which of the following is an example of starch crops biomass feed A a. Sugar cane b. Wheat c. Corn d. Pulses 51. Bio ethanol is decanted alcohol that is also called as. B a. Ethylene b. methylated spirit c. Ethylene glycol d. methylene 52. Problem of solid waste disposal can be reduced through. A a. Recycling b. Lesser pollution c. More tree d. Pollution control 53. Metal is produced as waste in industries like. C a. Skilling b. Mining c. Electroplating d. Digging 54. Which is the first city to established system of waste removal? B a. Lahore b. Athens c. Paris d. London 55. Soaps are based soapy detergents, C a. Water b. Kerosene c. Oil d. Acid 56. Which of the following can be recycled many times? D a. Plastic b. Wood c. Organic materials d. Aluminum 57. Atomic mass of Na is B a. 10 b. 23 c. 12 d. 17 58. The saponification of a fat or oil is done A a. KOH b. NAOH c. HCL d. NACL 59. Methane-----------> A a. CH4 b. CH2 c. CH3 d. CH 60. Ethanol------------> A a. C2H5OH b. C3H5OH c. CH5OH d. C2H3OH 61. Silver nitrate--------------> B a. Agn3 b. Agno3 c. Ag(o3)2 d. Agcl 62. 1. Range of pH scale is D a. 1 TO 4 b. 1 TO 10 c. 1 TO 7 d. 1 TO 14 63. What is effect of base on red litmus_ _? A a. It turns blue b. It turns pink c. It remains red d. It becomes colorless 64. Buffer present in blood contains _____ D a. HCO -3 b. Hemoglobin c. H2Po4- d. All of them 65. Which of the following is an example of corrosion? D a. Rusting of iron b. Trashing of silver c. Liquefaction d. A and B 66. Sodium hydroxide-------------> B a. NAH b. NAOH c. NACL d. NACH 67. PH + POH = B a. 10 b. 14 c. 12 d. 13 68. The optimum value of ppm in natural water is. C a. 2-4 b. 4-7 c. 4-6 d. 2-7 69. Nuclear change increases in periodic table. A A. Across Periods B. Down group C. D- block D. S- block 70. Ozone in stratosphere absorbs harmful B a. Dust particles b. Radiation c. Fumes d. Air pollutants 71. Electronic configuration is evident by successive _____________ A A. Ionization energies B. Polarity C. Electro negativity D. Shielding effect 72. is not surface water? C a. Sea water b. Lake water c. Spring water d. River water 73. If pH value is greater than 7, then solution is _______ B 1. Acidic 2. Basic 3. Neutral 4. Salty 74 Ground water is access by ______. A a. Drilling well b. Drip irrigation c. Check dams d. canals 75. Hard water contains salt of______ C a. Na and cl b. C and o c. Ca and mg d. H and he 76. Temporary hardness can be removed by D a. Lime b. Carbon  c. Oxygen d. BOILING 77. _____is a solid fuel. A a. Coal b. kerosene c. petrol d. diesel 78 is a best type of coal. C a. Peat b. Lignite c. Anthracite d. bituminous 79. In presence of which gas fuel burnt? A a. Oxygen b. Carbon dioxide c. Nitrogen d. mithen 80. Nuclear change increases in periodic table. A a. across periods b. Down ground c. D-block d. S-block 81. As an electrolyte, water is _______ C A. Strong B. neutral C. weak D. A good Insulator 82. Glass is a mixture of. B a. Non-metallic silicates b. Metallic silicates c. Metallic acetates d. Non-metallic acetates 83. Which fuel/ oil is used for obtaining gasoline? C C a. Kerosene b. Diesel c. Heavy oil d. naphtha 84. What changes are observed when a glass is heated? A a. It becomes softer b. It bursts c. It solidifies d. It disintegrates 85. Self linking capacity of carbon is called A _. a. Catenation b. Sublimation c. Hydrogenation d. carbonation 86. When zinc is plated on steel anode is C made up of _. a. Steel b. Oxygen c. Zinc d. Carbon 87. On industrial scale sodium metal is B prepared by electrolysis of fused_ _. a. NAOH b. NACL c. NAO d. NH3 88. The term bio-mass most often refers to___ B a. In organic matters b. Organic matters c. Chemicals d. Herbals 89. Which of the following is an example of starch crops biomass feed A stocks? a. Sugar cane b. Wheat c. Corn d. Pulses 90. Bio ethanol is decanted alcohol that is also called as_ _. B a. Ethylene b. mithylated spirit c. Ethylene glycol d. methylene 91. Which of the fuel give enormous amount of energy ? D D a. Gaseous b. solid c. liquid d. Nuclear 92. Which of the following is an example of a neutral refractory? A a. Dolomite b. magnesia c. Silica d. Chromatic 93. If pH value is greater than 7, then solution is B a. acidic b. basic c. neutral d. none 94. If pH value is less than 7, then solution is A a. acidic b. basic c. neutral d. none 95. Silver nitrate--------------> B a. Agn3 b. Agno3 c. Ag(o3)2 d. Agcl 96. Problem of solid waste disposal can be reduced through_. A a. Recycling b. Lesser pollution c. More tree d. Pollution control 97. Metal is produced as waste in industries like_ _. C a. Skilling b. Mining c. Electroplating d. Digging 98. As an electrolyte, water is C a. Strong b. Neutral c. Weak d. fast 99. Which glass is manufactures in highest amount? B a. Potash- lime b. Soda- lime c. Potash- lead d. Soda- lead 100. Which of the following can be recycled many times? D a. Plastic b. Wood c. Organic materials d. Aluminum MEDIUM LEVEL 101. How many Replaceable H- atoms are present in carbonic ACID C a. One b. Two c. Three d. four 102. Element that is backbone of organic molecules is ____. A a. Carbon b. Hydrogen c. Oxygen d. All of them 103. Which of the following is a thermosetting polymer? D a. Polystyrene b. Polyolefin’s c. Nylons d. Phenolic reins 104. A cork insulation with a water proof binder is used for C surfaces a. Soft b. Hot c. Cold d. hard 105. Amoebic dysentery is caused by C a. Viruses b. Bacteria c. Protozoa d. fungi 106. What type of gas is LPG? C a. Gasoline b. Kerosene c. Uncondensed d. Condensed 107. Which fuel is used wisely in steam power plants? C a. Oil b. gas c. Coal d. petroleum 108. The total portion of water on earth is A % a. 71 b. 69 c. 50 d. 33 109. Oil gas is obtained by the cracking of A a. Kerosene oil b. Diesel oil c. Heavy oil d. gasoline 110. Fire brick is made from _. C a. Brick b. Concrete c. Fire clay d. Wood 111. 1 ppm= mg/liter B a. 10 b. 1 c. 100 d. 1000 112. Multiplication factor of caso4 is B a. 100/120 b. 100/136 c. 100/95 d. 100/98 113. Which method for hardness determination is accurate? C a. French b. Clerk c. EDTA d. Boil 114. Bacteria in water cause B a. Malaria b. Typhoid c. Dengue d. Chicken gunea 115. Which is the fusion temperature of magnesia? C a. 1400 b. 2000  c. 2800 d. 4000 116. Which of the following material is not used for overhead line Insulator? B a. Porcelain b. P.V.C c. Glass d. steatite 117. Infectious hepatitis is caused B by a. Bacteria b. Viruses c. Hermit d. Protozoa 118. The optimum value of ppm in natural water is. C a. 2-4 b. 4-7 c. 4-6 d. 2-7 119. Pesticides are destroying land. A a. Fauna b. Flora c. A and B d. None 120. Green house effect makes rise in_. B a. Humidity b. Temperature c. Wind d. tide 121 Major source of fresh water in India is ? D a. ocean water b. river water c. ground water d. well water 122 is not a Fossil Fuel. D a. petrol b. naphtha c. wood d. diesel 123. water is not underground water? B a. spring water b. well-water c. step-well water d. sea-water 124. Value of resistance in insulator is A a. Small b. Large c. Zero d. Cannot be defined 125 Metal is a/an B a. Renewable resource b. Non-renewable resource c. Artificial resources d. alloy HIGH LEVEL 126. H2SO4 ----------> 2H+ + B a. SO -2 b. SO -2 c. SO3 d. SO -2 127. Nitric acid----------> A a. NO3 b. HNO3 c. NANO d. NO2 128 Hydronium ion D a. H3O+ b. H2O+ c. H3O2+ d. HO+ 129. How many commercial from of glass are there? a. single bond b. double bond D c triple bond d. multiple bond 130. Almost 95% of compound are of carbon because it can form A a. NO3 b. HNO3 c. NANO d. NO2 131. In galvanizing _______metal is used? A a. zinc b. iron c. copper d. lead 132. The protective coating is used to ____________. B a. corrode the metal b. prevent from corrosion c. increase the corrosion d. slightly increase the corrosion 133. Electrolyte for silver is__________. C a. potassium nitrate b. dilute sulphuric acid c. silver nitrate d. any of above 135. Bio-mass is useful to produce? a. Chemicals b. fibers D c. bio-chemicals d. transportation fuel 136. Which of the following forestry materials can be used as A Biomass? a. Logging residues b. Tallow c. Fish oil d. Manure 137. Whish of the following is not used as Biomass? C a. Hybrid Popla b. Willow Alger c.synthetic Fuels d. Trap Greats 138. The aerobic digestion of swag is used to produce __________ B a. Biomass b.Bio fuels c. NANO d. Metals articles 140 The Bio- ethanol is subjected to Rectification to Remove B a. sugar b. enzymes c. east d. impurities 141. Highest percentage of air consists of a. Oxygen b. HNO3 c. NANO d. NO2 142. The Bio- ethanol is subjected to Rectification to Remove B a. sugar B. Nitrogen C. Carbon dioxide d. Argon 143. The most reactive metal is C a) copper (b) silver (c) sodium (d) calcium 144 All noble gas molecules are C a. Diatomic b. Triatomic c. Monoatomic d. Both I and II 145 CNG is a B a Polluted fuel b. Clean fuel c. Harmful fuel d. None 146 Pollution of water is responsible for D a Oil refineries b. Paper factories c. Sugar mills d. All 147 The most reactive metal is C a) copper (b) silver (c) sodium (d) calcium 148 Which gas is the major pollutant of air? A (a) Carbon monoxide (b) Nitrogen (c) Oxygen (d) Propane 149 Which of the following substances are commonly used in a filter? C A Charcoal B Sand C Both (1) and (2) D Aluminum chloride 150 Metals Are Generally Hard. Which Of The Following Metals Is An B Exception And Can Be Cut With A Knife? Exception And Can Be Cut With A Knife? [A]. Iron [B]. Sodium [C]. Gold [D]. Magnesium