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},{"id":1066106,"question":"The number of molecule in 8g of oxygen gas is.
\r\n","choices":[{"text":"6.02 x 10 23
\r\n","value":"A"},{"text":"1.50 x 10 23
\r\n","value":"B"},{"text":"0.75 x 10 23
\r\n","value":"C"},{"text":"12.4 x 10 23
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066105,"question":"How many atoms are present in one mole of water.
\r\n","choices":[{"text":"3
\r\n","value":"A"},{"text":"54
\r\n","value":"B"},{"text":"12.4 x 10 23
\r\n","value":"C"},{"text":"3
\r\n","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1066104,"question":"32 g of oxygen gas contains.
\r\n","choices":[{"text":"6.02 x 10 23 moles
\r\n","value":"A"},{"text":"6.02 x 10 23 atoms
\r\n","value":"B"},{"text":"12.4 x 10 23 molecules
\r\n","value":"C"},{"text":"24.4 x 10 23 atoms
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066103,"question":"A ring has 6 g of diamond in it. What is the number of atoms in it.
\r\n","choices":[{"text":"3.01 x 10 23
\r\n","value":"A"},{"text":"6.02 x 10 23
\r\n","value":"B"},{"text":"6.02.01 x 10 9
\r\n","value":"C"},{"text":"12.01 x 10 23
\r\n","value":"D"},{"text":"3.01 x 10 23
\r\n","value":"E"}],"correctAnswer":1},{"id":1066102,"question":"One mole of SO2 conatains.
\r\n","choices":[{"text":"6.02 x 10 23 atoms of oxygen
\r\n","value":"A"},{"text":"6.022 x 10 23 atoms of sulphur
\r\n","value":"B"},{"text":"4 g atoms of SO2
\r\n","value":"C"},{"text":"18.1 X 10 23 moles of SO2
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066101,"question":"The largest numebr of molecules are present in
\r\n","choices":[{"text":"3.6 g of H2O
\r\n","value":"A"},{"text":"4.6 g of C2H5OH
\r\n","value":"B"},{"text":"2.8 g of CO
\r\n","value":"C"},{"text":"5.4 g of N2O5
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1}]