12th Class Chemistry Past Paper MCQS 2019 Old Course Test Multan Board

acetic-acid-can-be-obtained-from-3-ci-3-ech-3-csub-3-e-3-3-c-2-fsub-3-e-mg-i-3-c-2-fi-3-e-by-treatment-with-3-a_-_co-3-csub-3-e-2-3-c-2-fsub-3-e,acetic-add-is-manufactured-by_-_fermentation,aluminum-oxide-is-3-a_-_amphoteric-oxide,benzene-cannot-undergo_-_eliminations-reactions,ecosystem-is-a-smaller-unit-of_-_biosphere,formula-of-chloroform-is_-_ch-cl-3-csub-3-e-3-3-c-2-fsub-3-e,linear-shape-is-associated-with-set-of-hybrid-orbitals_-_sp,majority-of-elements-in-the-periodic-table-are-3-a_-_metals,phosphorus-helps-the-growth-of_-_seed,the-carbon-atom-of-a-carbonyl-group-is-3-a_-_sp-3-csup-3-e-2-3-c-2-fsup-3-e-hybridized,the-solution-of-which-acid-is-used-for-seasoning-of-food-3-f_-_acetic-acid,which-acid-is-used-in-the-manufacture-of-synthetic-fibre-3-f_-_acetic-acid,which-catalyst-is-used-in-contact-process-3-f_-_v-3-csub-3-e-2-3-c-2-fsub-3-eo-3-csub-3-e-5-3-c-2-fsub-3-e,which-enzyme-is-not-involved-in-fermentation-of-starch-3-f_-_urease,which-of-the-following-hydrogen-halide-is-the-weakest-acid-in-solution-3-f_-_hf,which-one-of-the-following-elements-is-not-alkali-metal-3-a_-_sr