12th Class Chemistry Past Paper MCQS 2018 Group 1 Test Lahore Board

co-ordination-number-of-pt-in-5-b-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-294-5-d-is_-_6,during-nitration-of-benzene-2-c-the-active-nitrating-agent-is_-_no-3-csub-3-e-2-3-c-2-fsub-3-e-3-csup-3-e-2-b-3-c-2-fsup-3-e,for-mechanisms-2-c-the-first-step-involved-is-the-same_-_el-and-s-3-csub-3-en-3-c-2-fsub-3-e-2,formalin-is-3-a_-_40-25-solution-of-formaldehyde-in-water,keeping-in-view-the-size-of-atoms-2-c-which-order-is-the-correct-one-3-f_-_ba-26-gt-3-b-mg,micro-nutrient-is-required-in-quantity-for-plant-growth-ranging-from-3-a_-_6-200-gm,peroxyacetylnitrate-28-pan-29-is-an-irritant-to-human-beings-and-it-affects-3-a_-_eyes,preparation-of-vegetable-ghee-involves_-_hydrogenation,the-anhydride-of-h-cl-o-3-csub-3-e-4-3-c-2-fsub-3-e-is_-_cl-3-csub-3-e-2-3-c-2-fsub-3-eo-3-csub-3-e-7-3-c-2-fsub-3-e,the-main-pollutant-of-leather-tanneries-in-the-waste-water-is-due-the-salt-of-3-a_-_chromium-28-vi-29,tincal-is-a-mineral-of-3-a_-_b,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_-_urease,which-of-the-following-is-not-a-fatty-acid-3-f_-_phthalic-acid,which-of-these-polymers-is-a-synthetic-polymer-3-f_-_polyester,which-one-of-the-following-is-not-an-alkali-metal-3-f_-_radium,which-set-of-hybrid-orbitals-has-planar-triangular-shape_-_sp-3-csup-3-e-2-3-c-2-fsup-3-e