Chemistry Mega Quiz Test Online for Preparation Shani Malik — December 11, 2017 in Chemistry Test • add comment Chemistry Mega Quiz Test Online for Preparation 1. Which enzyme is not involved in the fermentation of starch?A. InvertaseB. UreaseC. ZymaseD. Diastase Loading... 2. SN₂ reactions can be best carried out with:A. Sec. Alkyl halideB. Pri. AlkylhalideC. Ter. Alkyl halideD. All the three Loading... 3. Carboxyl compounds have functional group:A. R-C-XB. R-CH=OC. RCORD. All Loading... 4. Hydrides formed between elements with E.N difference greater than 1.8 is:A. CovalentB. IntermediateC. ComplexD. Ionic Loading... 5. Thermochemistry is the study of relationship between heat, energy and:A. Kinetic energyB. Energy of activationC. Ionization energyD. Chemical energy Loading... 6. The dipole moment of water is:A. 8.0 DB. 1.94 DC. 1.08 DD. 1.84 D Loading... 7. Which one of the following has the same number of electrons as an alpha particle?A. H⁺B. HeC. HD. Li⁺ Loading... 8. Swedish chemist J. Berzelius determined:A. Atomic massB. Atomic densityC. Atomic volumeD. Atomic number Loading... 9. Newland said, every eight element repeats properties of element:A. 1stB. 2ndC. 3rdD. 4th Loading... 10. Which property of oxygen resembles with sulphur?A. O- has no but S- has isotopesB. Typical non-metalsC. No poly atomic moleculesD. Ionic bond formation Loading... 11. Which will cook food more easily:A. Slight amount of HCl in waterB. Pure waterC. Alcoholic waterD. Saline water Loading... 12. In 1913, Mosley used the x-rays to determine:A. Relative atomic massB. Atomic numberC. Avogadro's numberD. Mass number Loading... 13. Entropy is a measure of ______ system.A. EfficiencyB. Internal energyC. InputD. Disorder Loading... 14. Metallic conduction is also called as:A. Super conductionB. Protonic conductionC. Electronic conductionD. Ionic conduction Loading... 15. The rate of reaction:A. Remains same as reaction proceedsB. Decrease as reaction proceedsC. May decrease or increase as reaction proceedsD. Increases as reaction proceeds Loading... 16. The nature of positive rays depends on:A. All of the aboveB. Nature of resident gasC. Nature of elecrodeD. Nature of dischasrge Loading... 17. Covalent compounds mostly exist in the form of:A. ProtonsB. AtomsC. NeutronsD. Molecules Loading... 18. When rate of reaction is restarted by adding a substance, it is said to be:A. Positive catalystB. Auto catalystC. CatalystD. Negative catalyst Loading... 19. Catalytic oxidation of benzene gives:A. BenzophenoneB. Maleic anhydrideC. NitrobenzeneD. Benzene sulphonic acid Loading... 20. The sum of pH and pOH is:A. 18B. 7C. 14D. 10 Loading... 21. Acetic acid is manufactured by:A. DistillationB. FermentationC. OzonolysisD. Esterification Loading... 22. In exothermic reactions, ΔH is:A. Given in surroundingsB. Moe than productsC. NegativeD. Positive Loading... 23. Salts of dichromic acids are:A. DichromatesB. SilicatesC. SiliconesD. Chromates Loading... 24. Alcohols are:A. Burning in tasteB. All of theseC. Sweet in smellD. Colourless liquid Loading... 25. Which is an inert gas?A. COB. NitrogenC. OxygenD. Hydrogen Loading... 26. Fuel cells are the means by which chemical energy may be converted into:A. Potential energyB. Electric energyC. Sound energyD. Heat energy Loading... 27. A chemical reaction A →B is said to be in equilibrium when:A. Rate of transformation of A to B is equal to B to A.B. Complete conversion of A to B has taken placeC. Conversion of A to B is 50% complete.D. 50% reactant has been changed to B. Loading... 28. The sum of mole fractions of components of a solution is equal to:A. 10B. 1C. 100D. 0 Loading... 29. The mass of one mole of iodine:A. 74 gB. 245 gC. 53 gD. 127 g Loading... 30. X-rays are attracted towards:A. None of electrodeB. AnodeC. Any ElectrodeD. Cathode Loading... 31. Isomers have same properties:A. NuclearB. Physical & ChemicalC. PhysicalD. Chemical Loading... 32. Major component of natural gas is:A. EtheneB. EthaneC. PropaneD. Methane Loading... 33. X-rays were discovered by:A. SchrodingerB. RoentgenC. RutherfordD. Bohr Loading... 34. 4-d series is in the period:A. 5thB. 7thC. 4thD. 6th Loading... 35. The SI unit of heat + energy is:A. CalorieB. JouleC. None of the aboveD. BTU Loading... 36. A limiting reactants is one:A. Does not effect the amount of productB. Which is present in least amountC. Which produces maximum number of moles of product.D. Which produces minimum number of moles of product. Loading... 37. An ion having negative charge is called:A. CationB. PhotonC. AnionD. Electron Loading... 38. Which of the following is the simplest form of matter?A. Gaseous state B. All of aboveC. Liquid stateD. Solid state Loading... 39. Molarity of pure water is:A. 66.6B. 44.4C. 33.3D. 55.5 Loading... 40. Kinetic theory of gas was put forward by:A. BernoulliB. MaxwellC. CulombD. Newton Loading... 41. The benzene molecule contains:A. Delocalized π electron chargeB. Two double bondC. Three double bondD. One double bond Loading... 42. Biopolymers are:A. LipidB. ProteinC. All of theseD. Carbohydrates Loading... 43. Cell potential depends upon:A. TemperatureB. Concentration of ionsC. All of aboveD. Nature of electrolyte Loading... 44. The e/m value for positive rays is maximum:A. HeliumB. OxygenC. NitrogenD. Hydrogen Loading... 45. Most stable hydrides is of:A. ThalliumB. LeadC. BismuthD. Fluorine Loading... 46. Borax in water is:A. Sparingly solubleB. InsolubleC. ImmiscibleD. Soluble Loading... 47. A pseudo uni-molecular reaction has order of reaction:A. 3B. 0C. 2D. 1 Loading... 48. Half life period of a first order reaction is independent of:A. All of the aboveB. Presence of catalystC. Initial concentration of the compoundD. Conditions of temperature Loading... 49. What do you call the apparatus generally used for measuring heat changes?A. VoltmeterB. CalorimeterC. VoltameterD. Coulometer Loading... 50. Silica contains oxygen by weight:A. 50%B. 53%C. 48%D. 89% Loading... 51. Mendeleev was a scientist:A. EnglishB. FrenchC. RussianD. German Loading... 52. The difference of potential of two electrodes when concentration of solution is 1 M each at 25°C and 1 atm is called:A. Standard cell potentialB. Cell reactionC. Electrode potentialD. Cell voltage Loading... 53. X-rays have same nature as:A. Alpha raysB. Beta raysC. Gamma raysD. Cathode rays Loading... 54. Vegetable oils are:A. Glycerides of unsaturated fatty acids B. Unsaturated fatty acids C. Essential oils obtained from plantsD. None of these Loading... 55. Catalyst changes:A. Enthalpy of productsB. Enthalpy of noneC. Enthalpy of reactionsD. Enthalpy of reactants Loading... 56. Plasma consists of:A. Negative electronsB. Neutral particlesC. Mixture of all aboveD. Positive ions Loading... 57. Buffer capacity is maximum when both components have:A. Low concentrationB. High concentrationC. Equal concentrationD. High and equal concentration Loading... 58. Metals tends to lose electrons, becoming:A. All of aboveB. Positively charged ionsC. Negatively charged ionsD. Non metals Loading... 59. Which has least melting point among the given?A. CoB. VC. ZnD. W Loading... 60. A good reservoirs of energy to body is:A. LipidsB. CarbohydratesC. ProteinsD. Glucose Loading... 61. Formula of cryolite is:A. Ca₂B₆O₁₁.5H₂OB. Na₂B₄O₇.10H₂OC. Na₃AlF₆D. Al₂O₃.2H₂O Loading... 62. The covalent radius of Cl atom is:A. 38 pmB. 99.4 pmC. 76 pmD. 176.7 pm Loading... 63. Oxides of metals are:A. Acidic oxidesB. AmphotericC. Super oxidesD. Basic oxides Loading... 64. A solution of glucose is 10%. The volume to which 1g mole of it dissolved will be:A. 1.8 dm³B. 6.1 dm³C. 8.1 dm³D. 1.7 dm³ Loading... 65. Halokanes are:A. AllB. DihaloalkanesC. MonohaloalkanesD. Trihaloalkanes Loading... 66. Amino acids (proteins) are identified by the test:A. IodineB. NinhydrinC. StarchD. Lucas Loading... 67. Oxidation of NO in air produces:A. N₂O₃B. N₂O₄C. N₂O₅D. N₂O Loading... 68. Pb has inert pair of electrons:A. OneB. FourC. TwoD. Three Loading... 69. Which one is more toxic?A. CB. FeC. HgD. Ag Loading... 70. The pH of 0.001M NaOH aqueous solution is:A. 8B. 11C. 13D. 9 Loading... 71. Ketones react with sodium nitroprusside alkaline giving precipitate:A. Wine red or orange redB. Silver pptC. White pptD. Yellow or red ppt Loading... 72. Dextose is also called:A. FructoseB. SucroseC. GlucoseD. Glucose and Fructose Loading... 73. Fuel cells are mostly used in space aircrafts as the source of:A. Fuel and drinking waterB. Drinking water onlyC. Power onlyD. Drinking water and power Loading... 74. Grape sugar or blood sugar is called to:A. Glucose and FructoseB. GlucoseC. FructoseD. Sucrose Loading... 75. Alpha rays consists of:A. ProtonsB. Hydrogen nucleusC. NeutronsD. Helium nucleus Loading... 76. All gases can be compressed by:A. Increasing pressureB. Decreasing pressureC. Keeping constant pressureD. None of the above Loading... 77. Reaction of CO₂ with Grignard’s reagent gives:A. Ethanoic acidB. EthanolC. EthanalD. Ethanone Loading... 78. Organic molecules are completely burnt during incineration at temperature (C°)A. 650-700B. 950-1300C. 800-850D. 850-950 Loading... 79. Most of the universe consists of the matter in:A. Liquid stateB. Solid stateC. Plasma stateD. Gaseous state Loading... 80. DDT is a:A. FunicideB. InsecticideC. AllD. Herbicide Loading... 81. Inside every fluorescent lamp there is present a:A. PlasmaB. SolidC. GasD. Liquid Loading... 82. Reaction of HNO₃with benzene gives:A. BenzophenoneB. Benzene sulphonic acidC. NitrobenzeneD. Maleic anhydride Loading... 83. Esters are used as:A. FertilizersB. Artificial flowersC. PointsD. Dyes Loading... 84. In an electrolytic cell, the electrons flow from:A. Cathode to anode or oppositeB. Anode to CathodeC. Random flowD. Cathode to anode Loading... 85. Higher alcohols are:A. Less solubleB. Least solubleC. Best solubleD. Normal in solubility Loading... 86. Type of isomerism in BrCH=CHBr is:A. Position isomerismB. Structural isomerismC. Conformational isomerismD. Geometrical isomerism Loading... 87. Arenes are also called:A. AtomB. BenzeneC. HydrocarbonsD. Aromatic Loading... 88. The reasons for less experimental yield than theoretical yield are reversible reaction, side reaction and:A. PressureB. TemperatureC. CrystallizationD. Maximization Loading... 89. A substance having sigma and pi bond in it gives:A. NeutralizationB. AdditionC. ReductionD. Substitution Loading... 90. Every sample of matter with uniform properties and a fixed composition is called a:A. GasB. SolidC. LiquidD. Phase Loading... 91. The dipole moment of orthochlorobenzene is:A. 1.5 DB. 1.70 DC. 2.70 DD. 2.5 D Loading... 92. The molecule has triple bond in it:A. COB. CO₂C. CO and CO₂D. C₃O₂ Loading... 93. A salt 'X' is dissolved in water of pH 7, the resulting solution becomes alkaline in nature, salt 'X' is made up of:A. Strong acid and strong baseB. Weak acid and strong baseC. Weak acid and weak baseD. Strong acid and weak base Loading... 94. Evaporation of water is a:A. An exothermic changeB. Chemical energy is producedC. No heat change occursD. An endothermic change Loading... 95. Non-metals tend to gain electrons, becoming:A. Negatively charged ionsB. MetalsC. All of aboveD. Positively charged ions Loading... 96. The force which holds together two or more atoms or ions to form a large variety of compounds is called:A. An ionic bondB. A coordinate bondC. A covalent bondD. A chemical bond Loading... 97. Mineral oil is called:A. Diesel oilB. Natural gasC. CoalD. Petroleum Loading... 98. Benzyl acetate has flavour of:A. RaspberryB. ApricolC. JasmineD. Banana Loading... 99. Properties of metals are:A. All are trueB. Form basic oxidesC. Tarnish in airD. Malleable and ductile Loading... 100. Bakelite is a:A. Simple moleculesB. Minor moleculesC. Macromolecules or adductD. Monomer Loading... Loading... Related NTS Results Post:Chemistry Online MCQs Test 01 For PreparationChemistry MCQs Test 07 Online PreparationChemistry Online MCQs Test 04 For PreparationChemistry Online MCQs Test 03 For PreparationChemistry Online MCQs Test 02 For PreparationChemistry MCQs Test 06 Online PreparationChemistry MCQs Test 05 Online PreparationEconomics Quiz 02 Preparation Online