FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	In an electrolysis exprement if a charge 96,500 Coluombs is passed trough a solution, the amount of substance liberated or deposited at the electrode is directly relatd to.	A. Mass numebr of the ion B. One mole of electrons being transferred C. Avogadro's nmber of ions being discharged D. Standrd electrode potentil of the metal iion
2	Electroysis is used in the extration of	A. Silver B. Gold C. Aluminum D. Mercury
3	The salt brige allows tranfer of ........in Zn -Cu voltaic cell	A. SO4 Ions B. Zn2 ions C. Both D. None of thes
4	Which of the following metals would most raadily displace hydrogen gas from dilute acids.	A. Copper B. Silver C. Magnesium D. Platinum
5	If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have	A. CuSO4 Solution B. Zn SO4 Solution C. Cu Ions D. Zn Solid
6	Electrochemical sereis helps in predicting.	A. Rate of reaction B. Type of bond C. Dirction of redox reactions D. Heat released
7	Electroplating involves.	A. Electrolysis for coating B. Spontaneous oxidation C. Redox without electordes D. Thermolysis
8	If 1 Faraday of elecricity is passed the mass deposited equals.	A. 1 gram equivalent B. 1 gram C. 1 mole D. 1 atm
9	An Increase in temperature generally	A. No Effect B. Increases cell voltage C. Decreases ell voltage D. Depends on pressure
10	In electolysis, reduction always occurs at	A. Anode B. Cathode C. Salt bridge D. Electroyte