A. introducing an oxidizing agent into the acid
B. not drawing current continuously for long periods
C. amalgamating the surface of the zinc plate
D. using a porous pot to isolate the zinc plate from the acid
E. using dilute sulphuric acid

Correct Answer:

Option C – amalgamating the surface of the zinc plate

SEE ALSO  A string of length 1.0 m vibrates in 10 loops. If the total mass of the string is 1.0 x 10−³ kg and the tension in it is 10N, calculate the frequency of the vibration.

Copyright warnings! Do not copy.