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In dry cell, what acts as negative electrode?

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Important Questions on Electrochemistry

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Electrochemistry>Competitive Thinking>Q 84

What is the density of solution of sulphuric acid used as an electrolyte in a lead accumulator?                

 

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Electrochemistry>Competitive Thinking>Q 85

Which among the following equations represents the reduction reaction taking place in lead accumulator at positive electrode, while it is being used as a source of electrical energy?

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Electrochemistry>Competitive Thinking>Q 86
A lead storage battery is discharged. During the charging of this battery, the reaction that occurs at anode is________.       

 
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Electrochemistry>Competitive Thinking>Q 87
While charging the lead storage battery, ______.
 
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Electrochemistry>Competitive Thinking>Q 88
Which of the following is not used in alkaline hydrogen-oxygen fuel cell?
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Electrochemistry>Competitive Thinking>Q 89

In H2-O2 fuel cell, the reaction occurring at cathode is _____.

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Electrochemistry>Competitive Thinking>Q 90

Which of the following reaction is used to make a fuel cell?  

 

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Electrochemistry>Competitive Thinking>Q 91
A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known as_______.