9th Class Chemistry Past Paper MCQS 2019 Group 2 Test Lahore Board

atomic-number-of-element-was-discovered-by-3-a_-_h-moseley,concentration-is-a-ratio-of-3-a_-_solute-to-solution,depositing-of-one-metal-over-the-other-by-means-of-electrolysis-is-3-a_-_electroplating,how-many-times-liquids-are-denser-than-gases-3-a_-_1-2-c-000-time,ionization-energy-of-sodium-is-3-a_-_496-kj-2-fmole,plum-pudding-model-was-put-forward-by-3-a_-_thomson,the-melting-point-of-sodium-chloride-is-3-a_-_800-3-csup-3-eo-3-c-2-fsup-3-ec,the-molar-mass-of-h-2-so-4-is-3-a_-_9-8-grams,the-solubility-of-which-one-decreases-by-increasing-temperature-3-a_-_li-3-csub-3-e-2-3-c-2-fsub-3-eso-3-csub-3-e-4-3-c-2-fsub-3-e,which-one-is-a-non-polar-molecule-3-a_-_h-3-csub-3-e-2-3-c-2-fsub-3-e,which-one-of-the-following-is-the-lightest-metal-3-a_-_lithium,which-one-of-the-following-metal-is-used-for-galvanizing-3-a_-_zn