Faraday's laws of electrolysis - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2:

• JAMB 2003

In the calibration of an ammeter using faraday's laws of electrolysis, the ammeter reading is kept constant at 1.2A. If 0.990g of copper is deposited in 40 minutes , the correction to be applied to the ammeter is

A. 0.03A
B. 0.04A
C. 0.05A
D. 0.06A

Question 3:

• JAMB 2006

During electrolysis, 2.0 g of a metal is deposited using a current of 0.5 A in 3 hours. The mass of the same metal which can be deposited using a current of 1.5 A in 1 hour is?

A. 1.0 g
B. 0.5 g
C. 3.0 g
D. 2.0 g

Question 4:

• JAMB 2010

In Faradays law of electrolysis, a graph of the mass deposited against the quantity of electricity is plotted. The slope of the graph gives

A. The energy released
B. The electrochemical equivalent
C. The current flowing
D. The charge released

Question 5:

• JAMB 2018

The electrochemical equivalent of silver is 0.0012g/C. If 36.0g of silver is to be deposited by electrolysis on a surface by passing a steady current for 5mins, the current must be?

A. 6000A
B. 100A
C. 10A
D. 1A