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Chemistry · JEE

Dry cell and lead accumulator, fuel cells Short Tricks for JEE

11+ syllabus-aligned questions available

Quick answer

Short tricks for Dry cell and lead accumulator, fuel cells work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.

Use these Dry cell and lead accumulator, fuel cells shortcuts to save time in JEE Chemistry papers — then validate speed with 11+ MCQs on Goodmarks.

Short tricks for speed

  • Dry cell and lead accumulator, fuel cells focus drill

    Solve 15 mixed MCQs for Dry cell and lead accumulator, fuel cells, review every explanation, and note formulas you hesitated on.

  • NCERT line recall

    For Inorganic, exact NCERT phrasing often matches the correct option — highlight one-liners during revision.

  • Balance then compare

    In Physical Chemistry numericals, write the balanced relation first, then substitute values with units.

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In −1−…eactants are _{-1}-\ldots_{\text {eactants are }} continuously supplied energy which can be withdrawn indefinately until outside supply of reactant is maintained.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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Frequently asked questions

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No — tricks complement concepts. Master the theory first, then use shortcuts in timed MCQ practice.

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