1) Which one is alloy? a) Graphite b) Mercury c) Steel d) Water 2) Value of 1 faraday is equal to: a) 9.65 C b) 9650 C c) 96500 C d) 965 C 3) Which one is non-electrolyte? a) Aqueous HCI b) Aqueous NaCI c) Molten KCI d) Urea 4) Which one is oxidizing agent? a) Al b) H2S c) Cl2 d) NaH 5) Which one is reducing agent a) H2SO b) HNO3 c) Al d) l2 6) In Daniel cell, it is used as a cathode: a) Zn b) Cu c) Sn d) Pb 7) 1g equivalent weightof Al is equal to: a) 0g b) 27g c) 54 g d) 1g 8) Which one is correct statement? a) Oxidation occurs at the cathode. b) Recuction occurs at the anode c) Reduction occur at cathode d) lons lose electrons at cathode 9) The substance used for electrolysis is called: a) electrolyte b) cell c) electricity d) none of them 10) The device that converts chemical energy into electrical energy or electrical energy ino chemical energy is called: a) electrochemical cell b) electrolytic cell c) photocell d) pencil cell 11) Faraday's First Law of Electrolysis state that the amount of any substance that is deposited or liberated at an electrode during electrolysis is directly proportional to the: a) charge deposited on electrodes b) mass of the substance or electrolyte c) their chemical equivalent masses d) quantity of electricity passed throug the electrolyte 12) Quantity of charge which deposits of liberates 1 gm equivalent weight of a substance is called: a) farad b) 1 Ampere c) 1 coloumb d) 1 faraday 13) Land storage battery is an example of: a) leclanche cell b) secondary battery c) primary battery d) None of them 14) Bross is an alloy of: a) Cu - Zn b) Cu - Sn c) Cu - Zn - Sn d) Ag - Cu 15) The coating of metal at the surface of other metal by the electrolytic process is called a) electrolysis b) electrolyte c) galvanizing d) electroplating

Chapter.7. Electrochemistry

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