If 16 g of O2 react with excess C2H6,how many gamof CO2 will be formed. 2C2H6+7O2-----------------4CO2 +5H2O
\r\n","choices":[{"text":"22 g
\r\n","value":"A"},{"text":"13 g
\r\n","value":"B"},{"text":"9 g
\r\n","value":"C"},{"text":"7g
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066122,"question":"A mixture of 8 g of H2 with 8 g of O2 is ignited 2H2 +O2----------------2H2O What is the mass of water formed.
\r\n","choices":[{"text":"9 g
\r\n","value":"A"},{"text":"36 g
\r\n","value":"B"},{"text":"16 g
\r\n","value":"C"},{"text":"72 g
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066121,"question":"How many moles of water are proeuced by buringing 4 moles of H2 with excess of oxygen.
\r\n","choices":[{"text":"1 mole
\r\n","value":"A"},{"text":"2moles
\r\n","value":"B"},{"text":"3 moles
\r\n","value":"C"},{"text":"4 moles
\r\n","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1066120,"question":"The reatant which consumes earlier and gives lest quantity of product is called.
\r\n","choices":[{"text":"Reactant
\r\n","value":"A"},{"text":"Limiting reacant
\r\n","value":"B"},{"text":"Stiochiometry
\r\n","value":"C"},{"text":"Stoichiometric amount
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066119,"question":"A limiting reactatn is the one which
\r\n","choices":[{"text":"Is taken on lesser quantity in gram to compared to other reactionts
\r\n","value":"A"},{"text":"Is taken in lesser quantity in volume as compared to the other reactants
\r\n","value":"B"},{"text":"Gives the maximum amount o fthe produce which is required
\r\n","value":"C"},{"text":"Gives teh minimum amountof the proudcut under considerationn
\r\n","value":"D"},{"value":"E"}]},{"id":1066118,"question":"What the mass of oxygen obtaingng from 72 g of pure water.
\r\n","choices":[{"text":"16 g
\r\n","value":"A"},{"text":"32 g
\r\n","value":"B"},{"text":"64 g
\r\n","value":"C"},{"text":"72 g
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066117,"question":"What is the ratio of volumes of 2 g of 2 to the volum of 16 g CH4 both volume areat STP
\r\n","choices":[{"text":"1:1
\r\n","value":"A"},{"text":"1:8
\r\n","value":"B"},{"text":"1:2
\r\n","value":"C"},{"text":"2:1
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066116,"question":"The ratio of numerbof olecues of 2 g H2 gas to numebr of molecues of 64 g gaseous oxygen is
\r\n","choices":[{"text":"1:2
\r\n","value":"A"},{"text":"1:1
\r\n","value":"B"},{"text":"1:32
\r\n","value":"C"},{"text":"1:4
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066115,"question":"The ratio of numebr of molecules in 71 g of gaseous chlroine to the numebr of molecules in 2 g of gaseous hydrogen is
\r\n","choices":[{"text":"1:1
\r\n","value":"A"},{"text":"71:2
\r\n","value":"B"},{"text":"1:2
\r\n","value":"C"},{"text":"71:1
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066114,"question":"27 g of Al will react completely with how much mass of O2 to produce Al2 O3.
\r\n","choices":[{"text":"8 g
\r\n","value":"A"},{"text":"24 g
\r\n","value":"B"},{"text":"16 g
\r\n","value":"C"},{"text":"32 g
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066113,"question":"Molar volume of a gas at STP is equal
\r\n","choices":[{"text":"1 gram of a gas
\r\n","value":"A"},{"text":"23. 414 dm3
\r\n","value":"B"},{"text":"6.02 x 1023 of a gas
\r\n","value":"C"},{"text":"1 gram ion of ags
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066112,"question":"The volume of occupied by 1.4 g of N1 at
\r\n","choices":[{"text":"1.12 dm3
\r\n","value":"A"},{"text":"2.24 dm3
\r\n","value":"B"},{"text":"22.4 dm3
\r\n","value":"C"},{"text":"112 dm3
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066111,"question":"Which of the following has minimum mass
\r\n","choices":[{"text":"3 x 10 23 atom of C
\r\n","value":"A"},{"text":"1 mole of S
\r\n","value":"B"},{"text":"79 gram of Ag
\r\n","value":"C"},{"text":"2 gram atomsof N
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066110,"question":"The mass of molecules of CO
\r\n","choices":[{"text":"0.5 moles
\r\n","value":"A"},{"text":"2.0 moles
\r\n","value":"B"},{"text":"1.0 moles
\r\n","value":"C"},{"text":"1.06 moles
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066109,"question":"The mass of 1.55 x 10 23 atoms of Si
\r\n","choices":[{"text":"0.5 g
\r\n","value":"A"},{"text":"8 g
\r\n","value":"B"},{"text":"0.7 g
\r\n","value":"C"},{"text":"0.6 g
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066108,"question":"The total number of oxygen atom is 22 g of CO2 gas is
\r\n","choices":[{"text":"6.02 x 10 23 molecules
\r\n","value":"A"},{"text":"12.4 x 10 23
\r\n","value":"B"},{"text":"12.04 x 10 23
\r\n","value":"C"},{"text":"2.0 x 10 23
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066107,"question":"The number of atoms present in 6 g of Mg metalis.
\r\n","choices":[{"text":"12.4 x 10 23
\r\n","value":"A"},{"text":"6.02 x 10 23
\r\n","value":"B"},{"text":"1.5 x 10 23
\r\n","value":"C"},{"text":"3.01 x 10 23
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3}]