FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

Top Scorers Of Chapter 10 "Electrochemistry" MCQ`s Test

Sr.#	Question	Answer
1	A salt bridge is usually made from	A. Metallic wires B. Porous glass C. Inert salt solution in agar agar D. Hydrochloric acid
2	Which of the following is not a use of electrochemistry	A. Manufacture of explosives B. Electroplating C. Extractio of metals D. Electrorefining
3	The metal depostied at cathode during electolysis of NaCl is.	A. Cl2 B. Na C. H2 D. Cu
4	In the Hall Heroult process, aluminum is obtained by	A. Chemical reaction B. Thermal decomposition C. Elelctrolysis of alumina D. Roasting and leaching
5	If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.	A. Decrease slowly B. Decrease repidly C. Does not change D. Drope to zero
6	In electroplating the object to be plated is connected to	A. Anode B. Cathode C. Both electordes D. Electrolyte
7	A positive value for the standared electrode potential of a metal ion metal half cell indicate that	A. The metal is stong reducing agent B. The metal ion is redily oxidized C. The metal ion is redily reduced D. The metal will readily displace hydrogen from dilute acids.
8	The activity series of meals arranges metals in order of their.	A. Atomic mass B. Density C. Ease of oxidation D. Ease of reduction
9	One Faraday is equl to	A. 1 C B. 96500 C C. 1 J D. 96500 J
10	Electrolysis is the process of	A. Chemical energy into electrical B. Electrical energy into chemical C. Heat energy into mechanical D. Mechanical energy into chemical