[{"id":156077,"question":"Copper oxide is dedected by borax bead test with colour:","choices":[{"text":"Blue","value":"A"},{"text":"Red","value":"B"},{"text":"Yellow","value":"C"},{"text":"Black","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":156076,"question":"Which is used to remove air bubbles form metals?","choices":[{"text":"B","value":"A"},{"text":"Be","value":"B"},{"text":"Mg","value":"C"},{"text":"Al","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156075,"question":"Which is used in navigational equipments?","choices":[{"text":"B","value":"A"},{"text":"Be","value":"B"},{"text":"Mg","value":"C"},{"text":"Al","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156074,"question":"Pb has inert pair of electrons:","choices":[{"text":"One","value":"A"},{"text":"Two","value":"B"},{"text":"Three","value":"C"},{"text":"Four","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156073,"question":"Which is not the form of silica?","choices":[{"text":"Amethyst quatz","value":"A"},{"text":"Rose quatz","value":"B"},{"text":"Smoky","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156072,"question":"Silicon atom is hybridized:","choices":[{"text":"sp","value":"A"},{"text":"sp2","value":"B"},{"text":"sp3","value":"C"},{"text":"dsp2","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156071,"question":"Borax is hydrated:","choices":[{"text":"Penta","value":"A"},{"text":"Deca","value":"B"},{"text":"Hepta","value":"C"},{"text":"Octa","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156070,"question":"What is chrome yellow?","choices":[{"text":"Pbo","value":"A"},{"text":"Pb2O","value":"B"},{"text":"PbCrO4","value":"C"},{"text":"Pb3O4","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156069,"question":"Which is litharge or massicot?","choices":[{"text":"PbO","value":"A"},{"text":"Pb2O","value":"B"},{"text":"Pb3O4","value":"C"},{"text":"PbO2","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":156068,"question":"What is going to replace the petroleum?","choices":[{"text":"Silica","value":"A"},{"text":"Silicates","value":"B"},{"text":"Silicones","value":"C"},{"text":"Silicon","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156066,"question":"What is the formula of asbestos?","choices":[{"text":"CaMg3(SiO3)4","value":"A"},{"text":"CaSiO3","value":"B"},{"text":"Na2SiO3","value":"C"},{"text":"Mg3H2(SiO3)4","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":156062,"question":"Chief ore of aluminium is:","choices":[{"text":"Na3AIF6","value":"A"},{"text":"Al2O3.2H2O","value":"B"},{"text":"Al2O3","value":"C"},{"text":"Al2O3 .H2O","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156060,"question":"Tincal is a mineral of:","choices":[{"text":"Al","value":"A"},{"text":"B","value":"B"},{"text":"Si","value":"C"},{"text":"C","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156056,"question":"Which of the following elements is not present abundantly in earth's crust?","choices":[{"text":"Silicon","value":"A"},{"text":"Aluminium","value":"B"},{"text":"Sodium","value":"C"},{"text":"Oxygen","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156053,"question":"Boric acid cannot be used:","choices":[{"text":"An antiseptic in medicine","value":"A"},{"text":"For washing eyes","value":"B"},{"text":"In soda bottles","value":"C"},{"text":"For enamels and glazes","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156051,"question":"Which element among the following belongs to Group IV-A of the periodic table?","choices":[{"text":"Barium","value":"A"},{"text":"Iodine","value":"B"},{"text":"Lead","value":"C"},{"text":"Oxygen","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156049,"question":"Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?","choices":[{"text":"1s, 2s2, 2p6, 3s2, 3p6, 4s2","value":"A"},{"text":"1s2 , 2s2 , 2p6 , 3s2, 3p1","value":"B"},{"text":"1s2, 2s2, 2p6","value":"C"},{"text":"1s2, 2s2, 2p6, 3s2, 3p3","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156043,"question":"Which element forms an iron with charge 3+?","choices":[{"text":"Berylium","value":"A"},{"text":"Aluminium","value":"B"},{"text":"Carbon","value":"C"},{"text":"Silicon","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156041,"question":"Chemical composition of colemnite is:","choices":[{"text":"Ca2B6O11.5H2O","value":"A"},{"text":"CaB4O7 .4 H2O","value":"B"},{"text":"Na2B7O7. 4 H2O","value":"C"},{"text":"CaNaB5O9.8H2O","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":156037,"question":"Aluminium oxide is:","choices":[{"text":"Acidic oxide","value":"A"},{"text":"Basic oxide","value":"B"},{"text":"Amphoteric oxided","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156035,"question":"Which metal is used in the thermit process because of its activity?","choices":[{"text":"Iron","value":"A"},{"text":"Copper","value":"B"},{"text":"Alumnium","value":"C"},{"text":"Zinc","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155222,"question":"The unit of rate constant is the same as that of the rate of reaction in :","choices":[{"text":"First order reaction.","value":"A"},{"text":"Second order reaction.","value":"B"},{"text":"Zero order reaction.","value":"C"},{"text":"Third order reaction.","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155219,"question":"With increases of 10°C temperature the rate of reactiondoubles. This increase in rate of reactionis due to :

","choices":[{"text":"Decrease in activation energy or reaction.","value":"A"},{"text":"Decrease in number of collisions between reactant molecules.","value":"B"},{"text":"Increase in activation energy of reactants.","value":"C"},{"text":"Increase in number of effective collisions","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155215,"question":"The rate of reaction :","choices":[{"text":"Increase as the reaction proceeds.","value":"A"},{"text":"Decreases as the reaction proceeds.","value":"B"},{"text":"Remains the same as the reaction proceed.","value":"C"},{"text":"May decrease or increase as the reaction proceeds.","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155212,"question":"If the rate equation of a reaction 2A+B-------->Products is , Rate = K[A] [B], and A is present in large excess, then order of reaction is :","choices":[{"text":"1","value":"A"},{"text":"2","value":"B"},{"text":"3","value":"C"},{"text":"Above","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155209,"question":"In zero order reaction, the rate is independent of :","choices":[{"text":"Temperature of reaction","value":"A"},{"text":"Concentration ofreactants","value":"B"},{"text":"Concentration of products","value":"C"},{"text":"None of these.","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155207,"question":"

Which technique is used to determine the absorption of radiations?

","choices":[{"text":"

Dilatometer method

","value":"A"},{"text":"

Optical rotation method

","value":"B"},{"text":"

Spectrometry

","value":"C"},{"text":"

Refractometric method

","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155203,"question":"The rate of reaction :","choices":[{"text":"Decreases as the reaction proceeds","value":"A"},{"text":"Increases as the reaction proceeds","value":"B"},{"text":"May decrease or increase reaction proceeds","value":"C"},{"text":"Remains same as the reaction proceeds","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155202,"question":"Dilatometer method is useful for the reaction that involve :","choices":[{"text":"Small volume changes in solutions","value":"A"},{"text":"Change in infractive indices","value":"B"},{"text":"Where reactants absorb U.V, visible or infrared radiation","value":"C"},{"value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155200,"question":"The rate of reaction b/w two specific time intervals is called :","choices":[{"text":"Instantaneous rate of reaction.","value":"A"},{"text":"Average rate of reaction.","value":"B"},{"text":"Rate of a reaction.","value":"C"},{"text":"Minimum rate of a reaction.","value":"D"},{"value":"E"}],"correctAnswer":2}]