9th Class Chemistry MCQS Electrochemistry Online Test 6
the-oxidation-number-of-oxygen-in-of-3-csub-3-e-2-3-c-2-fsub-3-e-is-3-a_-_2,the-oxidation-number-of-oxygen-in-peroxide-is-3-a_-_1,the-oxidation-number-of-sulphur-in-h-3-csub-3-e-2-3-c-2-fsub-3-eso-3-csub-3-e-4-3-c-2-fsub-3-e-is-3-a_-_6,the-process-of-coating-a-thin-layer-of-zinc-on-iron-is-called-3-a_-_reducing,the-valency-of-iron-in-fe-3-csub-3-e-2-3-c-2-fsub-3-e-28-so-3-csub-3-e-4-3-c-2-fsub-3-e-29-3-csub-3-e-3-3-c-2-fsub-3-e-is-3-a_-_3,what-is-obtained-from-fused-na-cl-3-f_-_sodium-meta,which-is-not-electrolyte-3-f_-_sugar-solution,which-is-weak-electrolyte-3-f_-_ch-3-csub-3-e-3-3-c-2-fsub-3-ecooh,which-of-the-following-electrolyte-produce-less-ions-in-water_-_ca-28-oh-29-3-csub-3-e-2-3-c-2-fsub-3-e,which-of-the-following-is-not-electrolyte-3-f_-_sugar,which-of-the-following-is-reduction-3-f_-_removal-of-oxygen,which-of-the-reactions-is-oxidation-reaction-3-f_-_fe-3-csup-3-e-2-b-2-3-c-2-fsup-3-e-3-f-fe-3-csup-3-e-2-b-3-3-c-2-fsup-3-e-2-ble-3-csup-3-e-3-c-2-fsup-3-e
Questions | 12 |
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Available | Always |
Pass rate | 45 % |
Backwards navigation | Allowed |