[{"id":1066525,"question":"The process of purifying copper using electricity is called.","choices":[{"text":"Electrolysis","value":"A"},{"text":"Electrplating","value":"B"},{"text":"Electrorefinging","value":"C"},{"text":"Electrogavimetry","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066524,"question":"Electroysis is used in the extration of","choices":[{"text":"Silver","value":"A"},{"text":"Gold","value":"B"},{"text":"Aluminum","value":"C"},{"text":"Mercury","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066523,"question":"In electroplating the object to be plated is connected to","choices":[{"text":"Anode","value":"A"},{"text":"Cathode","value":"B"},{"text":"Both electordes","value":"C"},{"text":"Electrolyte","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066522,"question":"The process of coating a metal with zinc is called.","choices":[{"text":"Alloying","value":"A"},{"text":"Galvanization ","value":"B"},{"text":"Electroefining","value":"C"},{"text":"Electrplating","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066521,"question":"The numebr of coulombs required to deposit 1 mole of Ag","choices":[{"text":"96500 C","value":"A"},{"text":"193000 C241250 C","value":"B"},{"text":"1 C","value":"C"},{"text":"241250 C","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066520,"question":"Electroyte in electroplating of silver","choices":[{"text":"AgNo3","value":"A"},{"text":"NaCl","value":"B"},{"text":"CuSO4","value":"C"},{"text":"HNO3","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066519,"question":"Electrolysis of CuSO4  using copper eletrodes results in","choices":[{"text":"Increase in eletolyte concentration ","value":"A"},{"text":"Decrease in Cu2+ concentration ","value":"B"},{"text":"No change in electrolyte composition","value":"C"},{"text":"Formation of new compound","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066518,"question":"Electroplating involves.","choices":[{"text":"Electrolysis for coating","value":"A"},{"text":"Spontaneous oxidation ","value":"B"},{"text":"Redox without electordes","value":"C"},{"text":"Thermolysis","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066517,"question":"If 1 Faraday of elecricity is passed the mass deposited equals.","choices":[{"text":"1 gram equivalent","value":"A"},{"text":"1 gram","value":"B"},{"text":"1 mole","value":"C"},{"text":"1 atm","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066516,"question":"Electrochemical equivalent is.","choices":[{"text":"Mass per mole","value":"A"},{"text":"Mass per coulomb","value":"B"},{"text":"Charge per second","value":"C"},{"text":"Current per mass","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066515,"question":"One Faraday is equl to ","choices":[{"text":"1 C","value":"A"},{"text":"96500 C","value":"B"},{"text":"1 J","value":"C"},{"text":"96500 J","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066514,"question":"Faradya's First Law states tass deposited is diretly proportional tohat m","choices":[{"text":"Time","value":"A"},{"text":"Voltage","value":"B"},{"text":"Resistance","value":"C"},{"text":"Quantity of electricity passed","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1066513,"question":"Electroysis requires.","choices":[{"text":"Redox reaction","value":"A"},{"text":"Spontaneous cell","value":"B"},{"text":"Non spontaneous reaction","value":"C"},{"text":"Combustion ","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066512,"question":"Electrolysis is the process of ","choices":[{"text":"Chemical energy into electrical","value":"A"},{"text":"Electrical energy into chemical","value":"B"},{"text":"Heat energy into mechanical","value":"C"},{"text":"Mechanical energy into chemical","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066511,"question":"The more positive the standard reduction potential","choices":[{"text":"The stronger the reducing agent","value":"A"},{"text":"The weaker the oxidizing agent","value":"B"},{"text":"The stronger the oxidizing agent","value":"C"},{"text":"No effect","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066510,"question":"Which of the followig will react with HCl to librerate H2 gas","choices":[{"text":"Ag","value":"A"},{"text":" Mg","value":"B"},{"text":"Au","value":"C"},{"text":"Cu","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066509,"question":"Which of the followng elements cannot displace hydrogen from acid.","choices":[{"text":"Zn","value":"A"},{"text":"Cu","value":"B"},{"text":"AI","value":"C"},{"text":"Fe","value":"D"},{"value":"E"}],"correctAnswer":2}]