[{"id":267094,"question":"Which one of the following compounds will hae the highest percentage of the mass of nitrogen?","choices":[{"text":"N2H4","value":"A"},{"text":"CO (NH2)2","value":"B"},{"text":"NH3","value":"C"},{"text":"NH2OH","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267093,"question":"What is the mass of AI in 204 g of aluminium oxide Al<sub>2</sub>O<sub>3</sub>","choices":[{"text":"26 g","value":"A"},{"text":"54 g","value":"B"},{"text":"108 g","value":"C"},{"text":"27 g","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267092,"question":"A nceklaee has 6 g of diamonds in it . What are the numberof carbon atoms in it?","choices":[{"text":"3.01 x 10<sup>23</sup>","value":"A"},{"text":"1.003 x 10<sup>23</sup>","value":"B"},{"text":"12.04 x 10<sup>23</sup>","value":"C"},{"text":"6.02 x 10<sup>23</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267091,"question":"How many moles are there in 25 g of H<sub>2</sub>SO<sub>4</sub>?","choices":[{"text":"0.765 Moles","value":"A"},{"text":"0.255 moles","value":"B"},{"text":"0.4 moles","value":"C"},{"text":"0.51 moles","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267090,"question":"How many atoic mass units (amu) are there in one gram.","choices":[{"text":"1 amu","value":"A"},{"text":"6.022 x 10<sup>23</sup>","value":"B"},{"text":"10 amu","value":"C"},{"text":"6.022 x 10<sup>22</sup>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267089,"question":"Which is the correct formula of calcium phosphide.","choices":[{"text":"CaP","value":"A"},{"text":"Ca<sub>3</sub>P<sub>2</sub>","value":"B"},{"text":"CaP<sub>2</sub>","value":"C"},{"text":"Ca<sub>2</sub>P<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267088,"question":"How many atoms are present in one gram of H2O?","choices":[{"text":"1002 x 10<sup>23</sup> atom","value":"A"},{"text":"6.022 x 10<sup>23</sup>atom","value":"B"},{"text":"0.334 x 10<sup>23</sup>atom","value":"C"},{"text":"2.004 x 10<sup>23</sup>atom","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267087,"question":"None polar compounds are insoluble in","choices":[{"text":"Alcohol","value":"A"},{"text":"Benzene","value":"B"},{"text":"Ether","value":"C"},{"text":"Water","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267086,"question":"Ionic compund have","choices":[{"text":"Low melting and high boiling points","value":"A"},{"text":"Low melting and boiling point","value":"B"},{"text":"High melting and boiling points","value":"C"},{"text":"High meilting and low boiling points","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267085,"question":"Ionic compund are good conductors electricity in","choices":[{"text":"Solution","value":"A"},{"text":"Molten state","value":"B"},{"text":"Solid state","value":"C"},{"text":"both a and b","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267084,"question":"The compund formed by oppoite charges are known as.","choices":[{"text":"Metallic solids","value":"A"},{"text":"Ionic compounds","value":"B"},{"text":"Non-polar Covalent compound","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267083,"question":"Water has high boiling point as compared a alcohol due to","choices":[{"text":"Low density","value":"A"},{"text":"High surface tension","value":"B"},{"text":"Hydrogen bonding","value":"C"},{"text":"High vapour pressure","value":"D"},{"value":"E"}],"correctAnswer":3}]