FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	In the Hall Heroult process, aluminum is obtained by	A. Chemical reaction B. Thermal decomposition C. Elelctrolysis of alumina D. Roasting and leaching
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	The activity series of meals arranges metals in order of their.	A. Atomic mass B. Density C. Ease of oxidation D. Ease of reduction
4	A salt bridge is usually made from	A. Metallic wires B. Porous glass C. Inert salt solution in agar agar D. Hydrochloric acid
5	In electroplating the object to be plated is connected to	A. Anode B. Cathode C. Both electordes D. Electrolyte
6	Electroysis of brine produces.	A. Hydrogen, oxygen , NaOH B. Sodium, Chlorine , H2O C. Hydrogen, Chlorine, NaOH D. NaOH , Cl2, CO2
7	The reducing agent in a redox reaction	A. Gains electrons B. Loss electrons C. Acceptw protons D. Donates protons
8	The metal depostied at cathode during electolysis of NaCl is.	A. Cl2 B. Na C. H2 D. Cu
9	Cell potential is the differecne between	A. Temperature and pressure B. Concentration of ions C. Electrode potentials of chathode and anode D. Mass of electrodes
10	The process of coating a metal with zinc is called.	A. Alloying B. Galvanization C. Electroefining D. Electrplating