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Important Questions

Electrochemistry

ICSE · Class 12 · Chemistry

Most important questions from Electrochemistry for ICSE Class 12 Chemistry board exam 2026. MCQs, short answer, and long answer questions with marks.

103 questions37 flashcards5 concepts

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A labeled diagram of the Standard Hydrogen Electrode (SHE), illustrating its components: a platinum electrode, 1 M H+ solution, and hydrogen gas at 1 bar pressure, and how it acts as a reference elect
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103 Questions·
multiple choicetrue false

Sample Questions

1multiple choice

Which of the following is a rechargeable battery?

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Lead-acid battery

Lead-acid battery is a secondary (rechargeable) cell. Dry cell and mercury cell are primary (non-rechargeable).

2true false

In a galvanic cell, the cathode is the negative electrode.

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False

In a galvanic cell, the cathode is the POSITIVE electrode. The anode is negative.

3multiple choice

The standard EMF of a Daniell cell (Zn-Cu) is:

Show answer

1.10 V

E°cell = E°(Cu²⁺/Cu) − E°(Zn²⁺/Zn) = 0.34 − (−0.76) = 1.10 V

4multiple choice

What does the salt bridge in a galvanic cell do?

Show answer

Maintains electrical neutrality in both half-cells

The salt bridge allows ion migration to maintain electrical neutrality. Electrons flow only through the external wire.

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Frequently Asked Questions

What are the important topics in Electrochemistry for ICSE Class 12 Chemistry?
Key topics in Electrochemistry include Mind map showing the two types of electrochemical cells and their characteristics, Flowchart showing the components and function of a galvanic cell, Sequence diagram showing ion migration through the salt bridge and restoration of electrical neutrality. These are the concepts ICSE Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Electrochemistry — ICSE Class 12 Chemistry?
Understand the core concepts first, then work through the 103 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Electrochemistry?
There are 103 practice questions available for Electrochemistry. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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