Chemistry Mega Quiz Test Online for Preparation Leave a Comment / Chemistry Test / By Shani Malik Chemistry Mega Quiz Test Online for Preparation 1. What do you call the apparatus generally used for measuring heat changes?A. VoltameterB. CoulometerC. CalorimeterD. Voltmeter Loading... 2. A chemical reaction A →B is said to be in equilibrium when:A. Complete conversion of A to B has taken placeB. 50% reactant has been changed to B.C. Conversion of A to B is 50% complete.D. Rate of transformation of A to B is equal to B to A. Loading... 3. Which property of oxygen resembles with sulphur?A. Ionic bond formationB. O- has no but S- has isotopesC. Typical non-metalsD. No poly atomic molecules Loading... 4. Which enzyme is not involved in the fermentation of starch?A. ZymaseB. UreaseC. InvertaseD. Diastase Loading... 5. Grape sugar or blood sugar is called to:A. GlucoseB. FructoseC. SucroseD. Glucose and Fructose Loading... 6. The rate of reaction:A. Decrease as reaction proceedsB. May decrease or increase as reaction proceedsC. Increases as reaction proceedsD. Remains same as reaction proceeds Loading... 7. Kinetic theory of gas was put forward by:A. NewtonB. BernoulliC. MaxwellD. Culomb Loading... 8. The nature of positive rays depends on:A. All of the aboveB. Nature of resident gasC. Nature of dischasrgeD. Nature of elecrode Loading... 9. Molarity of pure water is:A. 66.6B. 55.5C. 44.4D. 33.3 Loading... 10. Catalytic oxidation of benzene gives:A. Maleic anhydrideB. NitrobenzeneC. BenzophenoneD. Benzene sulphonic acid Loading... 11. Ketones react with sodium nitroprusside alkaline giving precipitate:A. Wine red or orange redB. White pptC. Yellow or red pptD. Silver ppt Loading... 12. Properties of metals are:A. All are trueB. Tarnish in airC. Malleable and ductileD. Form basic oxides Loading... 13. Alpha rays consists of:A. Hydrogen nucleusB. NeutronsC. ProtonsD. Helium nucleus Loading... 14. Oxidation of NO in air produces:A. N₂OB. N₂O₅C. N₂O₃D. N₂O₄ Loading... 15. Entropy is a measure of ______ system.A. DisorderB. Internal energyC. EfficiencyD. Input Loading... 16. The pH of 0.001M NaOH aqueous solution is:A. 11B. 9C. 8D. 13 Loading... 17. The dipole moment of orthochlorobenzene is:A. 1.5 DB. 2.5 DC. 1.70 DD. 2.70 D Loading... 18. X-rays have same nature as:A. Gamma raysB. Alpha raysC. Beta raysD. Cathode rays Loading... 19. The molecule has triple bond in it:A. C₃O₂B. CO₂C. CO and CO₂D. CO Loading... 20. Borax in water is:A. SolubleB. Sparingly solubleC. InsolubleD. Immiscible Loading... 21. Hydrides formed between elements with E.N difference greater than 1.8 is:A. IntermediateB. CovalentC. IonicD. Complex Loading... 22. Most of the universe consists of the matter in:A. Plasma stateB. Solid stateC. Gaseous stateD. Liquid state Loading... 23. Fuel cells are the means by which chemical energy may be converted into:A. Heat energyB. Electric energyC. Sound energyD. Potential energy Loading... 24. Oxides of metals are:A. Super oxidesB. AmphotericC. Acidic oxidesD. Basic oxides Loading... 25. Which will cook food more easily:A. Saline waterB. Slight amount of HCl in waterC. Alcoholic waterD. Pure water Loading... 26. Salts of dichromic acids are:A. DichromatesB. SiliconesC. ChromatesD. Silicates Loading... 27. Which has least melting point among the given?A. VB. CoC. ZnD. W Loading... 28. The covalent radius of Cl atom is:A. 38 pmB. 99.4 pmC. 176.7 pmD. 76 pm Loading... 29. Which of the following is the simplest form of matter?A. Solid stateB. Liquid stateC. Gaseous state D. All of above Loading... 30. X-rays are attracted towards:A. Any ElectrodeB. AnodeC. None of electrodeD. Cathode Loading... 31. A solution of glucose is 10%. The volume to which 1g mole of it dissolved will be:A. 8.1 dm³B. 6.1 dm³C. 1.8 dm³D. 1.7 dm³ Loading... 32. The force which holds together two or more atoms or ions to form a large variety of compounds is called:A. A coordinate bondB. A covalent bondC. A chemical bondD. An ionic bond Loading... 33. Organic molecules are completely burnt during incineration at temperature (C°)A. 850-950B. 800-850C. 950-1300D. 650-700 Loading... 34. The sum of pH and pOH is:A. 18B. 7C. 10D. 14 Loading... 35. An ion having negative charge is called:A. ElectronB. PhotonC. CationD. Anion Loading... 36. Halokanes are:A. AllB. MonohaloalkanesC. TrihaloalkanesD. Dihaloalkanes Loading... 37. Reaction of CO₂ with Grignard’s reagent gives:A. EthanoneB. EthanolC. EthanalD. Ethanoic acid Loading... 38. Evaporation of water is a:A. An exothermic changeB. No heat change occursC. An endothermic changeD. Chemical energy is produced Loading... 39. Alcohols are:A. All of theseB. Colourless liquidC. Burning in tasteD. Sweet in smell Loading... 40. Higher alcohols are:A. Least solubleB. Best solubleC. Less solubleD. Normal in solubility Loading... 41. All gases can be compressed by:A. Keeping constant pressureB. None of the aboveC. Decreasing pressureD. Increasing pressure Loading... 42. A limiting reactants is one:A. Does not effect the amount of productB. Which is present in least amountC. Which produces minimum number of moles of product.D. Which produces maximum number of moles of product. Loading... 43. The dipole moment of water is:A. 1.08 DB. 1.94 DC. 8.0 DD. 1.84 D Loading... 44. X-rays were discovered by:A. SchrodingerB. BohrC. RoentgenD. Rutherford Loading... 45. Acetic acid is manufactured by:A. OzonolysisB. FermentationC. EsterificationD. Distillation Loading... 46. Which one of the following has the same number of electrons as an alpha particle?A. HeB. H⁺C. Li⁺D. H Loading... 47. Formula of cryolite is:A. Na₂B₄O₇.10H₂OB. Ca₂B₆O₁₁.5H₂OC. Na₃AlF₆D. Al₂O₃.2H₂O Loading... 48. Inside every fluorescent lamp there is present a:A. GasB. SolidC. PlasmaD. Liquid Loading... 49. Amino acids (proteins) are identified by the test:A. IodineB. StarchC. LucasD. Ninhydrin Loading... 50. Which is an inert gas?A. OxygenB. NitrogenC. HydrogenD. CO Loading... 51. Metallic conduction is also called as:A. Ionic conductionB. Electronic conductionC. Protonic conductionD. Super conduction Loading... 52. Most stable hydrides is of:A. FluorineB. LeadC. ThalliumD. Bismuth Loading... 53. Bakelite is a:A. MonomerB. Macromolecules or adductC. Simple moleculesD. Minor molecules Loading... 54. Pb has inert pair of electrons:A. TwoB. OneC. FourD. Three Loading... 55. Buffer capacity is maximum when both components have:A. Low concentrationB. Equal concentrationC. High and equal concentrationD. High concentration Loading... 56. DDT is a:A. AllB. FunicideC. InsecticideD. Herbicide Loading... 57. Biopolymers are:A. CarbohydratesB. ProteinC. All of theseD. Lipid Loading... 58. Thermochemistry is the study of relationship between heat, energy and:A. Kinetic energyB. Chemical energyC. Ionization energyD. Energy of activation Loading... 59. A substance having sigma and pi bond in it gives:A. SubstitutionB. ReductionC. AdditionD. Neutralization Loading... 60. The SI unit of heat + energy is:A. None of the aboveB. BTUC. CalorieD. Joule Loading... 61. A pseudo uni-molecular reaction has order of reaction:A. 2B. 1C. 3D. 0 Loading... 62. Isomers have same properties:A. PhysicalB. NuclearC. ChemicalD. Physical & Chemical Loading... 63. 4-d series is in the period:A. 5thB. 4thC. 7thD. 6th Loading... 64. SN₂ reactions can be best carried out with:A. Ter. Alkyl halideB. Pri. AlkylhalideC. All the threeD. Sec. Alkyl halide Loading... 65. When rate of reaction is restarted by adding a substance, it is said to be:A. CatalystB. Positive catalystC. Negative catalyst D. Auto catalyst Loading... 66. Swedish chemist J. Berzelius determined:A. Atomic numberB. Atomic massC. Atomic densityD. Atomic volume Loading... 67. Benzyl acetate has flavour of:A. ApricolB. RaspberryC. JasmineD. Banana Loading... 68. Type of isomerism in BrCH=CHBr is:A. Geometrical isomerismB. Position isomerismC. Conformational isomerismD. Structural isomerism Loading... 69. The reasons for less experimental yield than theoretical yield are reversible reaction, side reaction and:A. MaximizationB. CrystallizationC. TemperatureD. Pressure Loading... 70. Reaction of HNO₃with benzene gives:A. BenzophenoneB. Benzene sulphonic acidC. Maleic anhydrideD. Nitrobenzene Loading... 71. 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. Cell voltageD. Electrode potential Loading... 72. Which one is more toxic?A. CB. FeC. HgD. Ag Loading... 73. A good reservoirs of energy to body is:A. ProteinsB. LipidsC. CarbohydratesD. Glucose Loading... 74. Silica contains oxygen by weight:A. 53%B. 89%C. 48%D. 50% Loading... 75. Vegetable oils are:A. Glycerides of unsaturated fatty acids B. Essential oils obtained from plantsC. None of theseD. Unsaturated fatty acids Loading... 76. Half life period of a first order reaction is independent of:A. All of the aboveB. Initial concentration of the compoundC. Presence of catalystD. Conditions of temperature Loading... 77. Newland said, every eight element repeats properties of element:A. 2ndB. 1stC. 4thD. 3rd Loading... 78. Fuel cells are mostly used in space aircrafts as the source of:A. Fuel and drinking waterB. Power onlyC. Drinking water onlyD. Drinking water and power Loading... 79. Major component of natural gas is:A. EtheneB. MethaneC. PropaneD. Ethane Loading... 80. Every sample of matter with uniform properties and a fixed composition is called a:A. PhaseB. SolidC. GasD. Liquid Loading... 81. In an electrolytic cell, the electrons flow from:A. Cathode to anode or oppositeB. Random flowC. Cathode to anodeD. Anode to Cathode Loading... 82. Mineral oil is called:A. Diesel oilB. Natural gasC. CoalD. Petroleum Loading... 83. The sum of mole fractions of components of a solution is equal to:A. 1B. 10C. 100D. 0 Loading... 84. Dextose is also called:A. Glucose and FructoseB. FructoseC. GlucoseD. Sucrose Loading... 85. Esters are used as:A. DyesB. FertilizersC. Artificial flowersD. Points Loading... 86. Carboxyl compounds have functional group:A. AllB. R-CH=OC. RCORD. R-C-X Loading... 87. The e/m value for positive rays is maximum:A. HeliumB. NitrogenC. HydrogenD. Oxygen Loading... 88. The mass of one mole of iodine:A. 127 gB. 245 gC. 53 gD. 74 g Loading... 89. Arenes are also called:A. HydrocarbonsB. BenzeneC. AromaticD. Atom Loading... 90. A salt 'X' is dissolved in water of pH 7, the resulting solution becomes alkaline in nature, salt 'X' is made up of:A. Weak acid and weak baseB. Strong acid and strong baseC. Weak acid and strong baseD. Strong acid and weak base Loading... 91. Covalent compounds mostly exist in the form of:A. MoleculesB. NeutronsC. AtomsD. Protons Loading... 92. In exothermic reactions, ΔH is:A. PositiveB. Given in surroundingsC. NegativeD. Moe than products Loading... 93. Catalyst changes:A. Enthalpy of productsB. Enthalpy of reactionsC. Enthalpy of noneD. Enthalpy of reactants Loading... 94. Cell potential depends upon:A. All of aboveB. TemperatureC. Nature of electrolyteD. Concentration of ions Loading... 95. In 1913, Mosley used the x-rays to determine:A. Avogadro's numberB. Atomic numberC. Relative atomic massD. Mass number Loading... 96. Plasma consists of:A. Mixture of all aboveB. Neutral particlesC. Negative electronsD. Positive ions Loading... 97. Mendeleev was a scientist:A. EnglishB. RussianC. GermanD. French Loading... 98. The benzene molecule contains:A. Three double bondB. Delocalized π electron chargeC. One double bondD. Two double bond Loading... 99. Metals tends to lose electrons, becoming:A. Positively charged ionsB. All of aboveC. Negatively charged ionsD. Non metals Loading... 100. Non-metals tend to gain electrons, becoming:A. All of aboveB. Negatively charged ionsC. MetalsD. Positively charged ions Loading... Loading... Related NTS Results Post:Chemistry MCQs Test 06 Online PreparationChemistry MCQs Test 05 Online PreparationChemistry MCQs Test 07 Online PreparationEnglish Grammar Quiz Online Test 01GAT General NTS Test Papers & Preparation OnlineBiology Mcqs Test 09 Online PreparationBiology Mcqs Test 06 Online PreparationBiology Mcqs Test 11 Online Preparation