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Q: Multiple Choices: Encircle the best answer. [5] 1. The function of a salt bridge is to: a. Eliminate liquid-junction potential where the ions are present in large excess at the junction b. Decrease the cell potential at the negative electrode c. Eliminate the impurities present in the electrolyte d. Increase the cell potential at the positive electrode 2. Which is an example of corrosion: a. Tarnishing of silver b. Rusting of iron c. Development of a green coating on d. All. 3. If a strip of copper metal be dipped in a solution of ferrous sulphate: a. Copper and iron both will be dissolved b. Copper will precipitate out c. Iron will precipitate out d. No reaction will occur. 4. In the reaction: Cu(s) + 2Ag+ (aq) Cut+ (aq) + 2Ag(s); a. Cu(s) is oxidised to Cu2+ (aq) b. Agt(aq)is oxidised to Ag(s) c. Both Cu(s) and Agtag are oxidised d. Cu(s) is reduced to Cu2+ (aq) 5. The correct way to representing Daniel cell is: a. ZnZn++|| Ag-|Ag b. ZnZnCuttu c. PL, H, HHg+t|H9 d. Cu Cut || 1 | H2, P1