FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	The oxidation number of sulfur in H2SO4 is	A. +2 B. +4 C. +6 D. +8
2	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
3	A Daniell cell produces electricity through	A. Electrolysis B. Radioactivity C. Spontaneous redox reaction D. Endothermic reaction
4	Standard hydrogen electrode is assigned potential of.	A. 1.0 V B. 0.5 V C. 0.0 V D. -1.0 V
5	In a galvanic cell, the anode is	A. Negaive and site of oxidation B. Postive and site of oxidation C. Negative and site of reduction D. Postive and site of reduction
6	Electroysis of brine produces.	A. Hydrogen, oxygen , NaOH B. Sodium, Chlorine , H2O C. Hydrogen, Chlorine, NaOH D. NaOH , Cl2, CO2
7	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
8	Which of the followng elements cannot displace hydrogen from acid.	A. Zn B. Cu C. AI D. Fe
9	Electrochemical equivalent is.	A. Mass per mole B. Mass per coulomb C. Charge per second D. Current per mass
10	An Increase in temperature generally	A. No Effect B. Increases cell voltage C. Decreases ell voltage D. Depends on pressure