12th Class Chemistry Past Paper MCQS 2015 Group 2 Test Lahore Board

aldehyde-react-with-hydroxyl-amine-in-acidic-solution-to-give_-_an-oxime,aluminium-oxide-is-3-a_-_amphoteric-oxide,ce-b-2-ce-b-2-27-dichloroethyl-sulphide-is-commonly-known-as_-_mustard-gas,chile-saltpeter-has-the-chemical-formula-3-a_-_na-no-3-csub-3-e-3-3-c-2-fsub-3-e,choose-the-correct-statement-3-a_-_na-3-csup-3-e-2-b-3-c-2-fsup-3-e-is-smaller-than-na-atom,laughing-gas-is-chemically-3-a_-_n-3-csub-3-e-2-3-c-2-fsub-3-eo,newspaper-can-be-recycled-again-and-again-by-how-many-times-3-f_-_5,select-from-the-following-one-which-is-alcohol-3-a_-_ch-3-csub-3-e-3-3-c-2-fsub-3-e-ch-3-csub-3-e-2-3-c-2-fsub-3-e-oh,the-word-paper-is-derived-from-the-name-of-which-reedy-plant-3-a_-_papyrus,when-co-3-csub-3-e-2-3-c-2-fsub-3-e-is-made-to-react-with-ethyl-magnesium-iodide-followed-by-acid-hydrolysis-2-c-the-product-formed-is-3-a_-_propanoic-acid,which-compound-is-the-most-reactive-3-f_-_ethene,which-compound-shows-hydrogen-bonding-3-f_-_c-3-csub-3-e-2-3-c-2-fsub-3-eh-3-csub-3-e-5-3-c-2-fsub-3-eoh,which-of-the-following-is-an-addition-polymer-3-f_-_polystyrene,which-of-the-following-is-non-typical-transition-element-3-f_-_zn,which-of-the-following-will-react-with-tollen-e-2-80-99-s-reagent-3-f_-_3-cimg-src-3-d-22-2-fimages-2-fmcqs-2-f-12th-2-fchem-2-f-12-che-122002-png-22-3-e,which-one-is-neutral-amino-acid-3-f_-_glutamic-acid,which-one-is-perchloric-acid-3-f_-_h-cl-o-3-csub-3-e-4-3-c-2-fsub-3-e