In 1836 John Daniell invented a primary cell in which ____ was eliminated in the generation of electricity.
A) oxygen
B) nitrogen
C) carbon
D) hydrogen

Question

Quizplus · Accepted Answer

John Daniell invented a primary cell that eliminated hydrogen in the generation of electricity. This was achieved by using a copper sulfate solution and a zinc sulfate solution, which prevented the buildup of hydrogen gas at the electrodes, a common problem with earlier designs like the Voltaic pile.

In 1836 John Daniell Invented a Primary Cell in Which