12th Class Chemistry Past Paper MCQS 2019 Group 1 Test Multan Board

according-to-lewis-concept-ethers-behave-as-3-a_-_base,among-group-va-elements-2-c-the-most-electronegative-element-is-3-a_-_3-ci-3-en-3-c-2-fi-3-e,aromatic-hydrocarbons-are-the-derivatives-of-3-a_-_benzene,chemical-composition-of-colemanite-is-3-a_-_ca-3-csub-3-e-2-3-c-2-fsub-3-eb-3-csub-3-e-6-3-c-2-fsub-3-eo-3-csub-3-e-11-3-c-2-fsub-3-e-5-h-3-csub-3-e-2-3-c-2-fsub-3-eo,coordination-number-of-3-ci-3-e-pt-3-c-2-fi-3-e-in-5-b-3-ci-3-e-pt-cl-28-no-3-csub-3-e-2-3-c-2-fsub-3-e-29-28-nh-3-csub-3-e-3-3-c-2-fsub-3-e-29-3-csub-3-e-4-3-c-2-fsub-3-e-3-ci-3-e-5-d-is-3-a_-_6,ecosystem-is-a-smaller-unit-of_-_biosphere,in-which-of-following-processes-are-small-organic-molecules-made-into-macromolecules-3-f_-_the-polymerization-of-ethene,mark-the-correct-statement_-_na-3-csup-3-e-2-b-3-c-2-fsup-3-e-is-smaller-than-na-atom,select-from-the-following-the-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,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-acid-is-used-in-the-manufacture-of-synthetic-fibre-3-f_-_acetic-acid,which-is-the-strongest-acid-3-f_-_h-cl-o-3-csub-3-e-4-3-c-2-fsub-3-e,which-of-the-following-has-highest-boiling-point-3-f_-_2-hexanone,which-of-the-following-sulphates-is-not-soluble-in-water-3-f_-_barium-sulphate,which-one-of-the-following-gases-is-used-for-artificial-ripening-of-fruits-3-f_-_ethyne,which-one-of-the-following-statements-about-glucose-and-sucrose-is-incorrect-3-f_-_both-are-disaccharides,which-statement-is-incorrect-3-f_-_all-the-metals-form-acidic-oxides,which-woody-raw-material-is-used-for-the-manufacture-of-paper-pulp-3-f_-_poplar