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Dry cell and lead accumulator, fuel cells Concepts for JEE

11+ syllabus-aligned questions available

Quick answer

Master Dry cell and lead accumulator, fuel cells by understanding definitions, standard results, and typical JEE question patterns — then practise with syllabus-aligned MCQs on Goodmarks.

Build clear conceptual foundations for Dry cell and lead accumulator, fuel cells before speed practice. This guide covers what JEE expects and how to test yourself with MCQs.

Concept explainer

Dry cell and lead accumulator, fuel cells is a core JEE Main Chemistry subtopic under Redox Reactions and Electrochemistry. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.

Key points

  • Understand the definition and scope of Dry cell and lead accumulator, fuel cells in the JEE syllabus
  • Memorise key formulas and standard results linked to Dry cell and lead accumulator, fuel cells
  • Practise 20–40 syllabus-aligned MCQs with step-by-step solutions

JEE tips

  • Revise Dry cell and lead accumulator, fuel cells with a one-page formula sheet before attempting mixed tests
  • After each practice set, log mistakes specific to Dry cell and lead accumulator, fuel cells and reattempt after 48 hours

Common trap

Students often rush Dry cell and lead accumulator, fuel cells questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.

Syllabus context

Part of Redox Reactions and Electrochemistry in JEE Main Chemistry.

Free sample questions

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Q1ChemistryUnit 7: Redox Reactions and Electrochemistry
In −1−…eactants are _{-1}-\ldots_{\text {eactants are }} continuously supplied energy which can be withdrawn indefinately until outside supply of reactant is maintained. These cells are more efficient than conventional batteries and moreover, these are eco-friendly.
Q2ChemistryUnit 7: Redox Reactions and Electrochemistry
Which of the following is an example of simple fuel cell?
Q3ChemistryUnit 7: Redox Reactions and Electrochemistry
Primary battery is a battery:
Q4ChemistryUnit 7: Redox Reactions and Electrochemistry
In hydrogen-oxygen fuel cell the carbon rods are immersed in hot aqueous solution of.
Q5ChemistryUnit 7: Redox Reactions and Electrochemistry
Assertion H2+O2\boldsymbol{H}_{2}+\boldsymbol{O}_{2} fuel cell gives a constant voltage throughout its life. Reason In this fuel cell, H2H_{2} reacts with OH−O H^{-} ions, yet the overall concentration of OH−O H^{-} ions does not change
Q6ChemistryUnit 7: Redox Reactions and Electrochemistry
ln⁡\ln a H2−O2H_{2}-O_{2} fuel cell, combustion of hydrogen occurs to:
Q7ChemistryUnit 7: Redox Reactions and Electrochemistry
Assertion A large dry cell has higher emf. Reason The emf of a dry cell is independent of its size.
Q8ChemistryUnit 7: Redox Reactions and Electrochemistry
Hydrogen could well be a fuel for the future. Which of the following statement is true about the potential use of hydrogen as a fuel?

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