FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	Which species is educed in the followig rection ? Zn + Cu --------- Zn	A. Cu2+ B. Zn C. Cu D. Zn3+
2	Which of the following changes wold typically lead to an incresse in he rate of electrolysis.	A. Decreasing ghe concentration of the electrolyte B. Incressing the distance between the electrodes C. Decressing the surface area of the electrolytic cell D. Increasing the current passed though the electroytic cell
3	Electroyte in electroplating of silver	A. AgNo3 B. NaCl C. CuSO4 D. HNO3
4	The oxidation number of sulfur in H2SO4 is	A. +2 B. +4 C. +6 D. +8
5	In electolysis, reduction always occurs at	A. Anode B. Cathode C. Salt bridge D. Electroyte
6	The process of purifying copper using electricity is called.	A. Electrolysis B. Electrplating C. Electrorefinging D. Electrogavimetry
7	The activity series of meals arranges metals in order of their.	A. Atomic mass B. Density C. Ease of oxidation D. Ease of reduction
8	What is the unit of cell potanetial.	A. ampere B. Volt C. Ohm D. Farad
9	The metal depostied at cathode during electolysis of NaCl is.	A. Cl2 B. Na C. H2 D. Cu
10	Electroysis requires.	A. Redox reaction B. Spontaneous cell C. Non spontaneous reaction D. Combustion