FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	An Increase in temperature generally	A. No Effect B. Increases cell voltage C. Decreases ell voltage D. Depends on pressure
2	In electroplating the object to be plated is connected to	A. Anode B. Cathode C. Both electordes D. Electrolyte
3	The process of purifying copper using electricity is called.	A. Electrolysis B. Electrplating C. Electrorefinging D. Electrogavimetry
4	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
5	The oxidation number of sulfur in H2SO4 is	A. +2 B. +4 C. +6 D. +8
6	The activity series of meals arranges metals in order of their.	A. Atomic mass B. Density C. Ease of oxidation D. Ease of reduction
7	Standard electrode potential is measured under	A. 100 oC and 1 atm B. 0 oC and 1 M concentration C. 25 oC and 1 M concentration D. 100 oC and 1 M concentration
8	Electrolysis of CuSO4 using copper eletrodes results in	A. Increase in eletolyte concentration B. Decrease in Cu2+ concentration C. No change in electrolyte composition D. Formation of new compound
9	Electroysis requires.	A. Redox reaction B. Spontaneous cell C. Non spontaneous reaction D. Combustion
10	If Eo cell is +1.10 V , the reactio is	A. Spontaneous B. Non spontaneous C. At equibrium D. Endothermic only