Batteries & Salt Bridge Past Year (2006 - 2015) MCQs Electrochemistry Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

A device that converts the energy of combustion of fuels, like hydrogen and methane, directly into electrical energy is known as:

1.	Fuel cell.	2.	Electrolytic cell.
3.	Dynamo.	4.	Ni-Cd cell.

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The efficiency of a fuel cell is given by:

1. $\frac{∆ H}{∆ G}$

2. $\frac{∆ G}{∆ S}$

3. $\frac{∆ G}{∆ H}$

4. $\frac{∆ S}{∆ G}$

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